GitHub / pandas-dev/pandas issues and pull requests
Labelled with: Timeseries
#58989 - API: timestamp resolution inference - default to one unit (if possible) instead of being data-dependent?
Issue -
State: open - Opened by jorisvandenbossche over 1 year ago
Labels: Timeseries, Non-Nano, Timestamp
#58815 - BUG: Lookup by datetime in timestamp index does not work
Issue -
State: closed - Opened by sam-s over 1 year ago
- 1 comment
Labels: Bug, Timeseries, Duplicate Report, Index, datetime.date
#58420 - BUG: Assigning datetime to pa.date32() type array should raise
Issue -
State: closed - Opened by WillAyd over 1 year ago
- 5 comments
Labels: Bug, Timeseries, Arrow
#58308 - ENH: Downsampling pyarrow backed DatetimeIndex should potentially return date32 instead of timestamp
Issue -
State: open - Opened by WillAyd over 1 year ago
Labels: Enhancement, Timeseries, Arrow
#58307 - BUG: .loc Indexing with pyarrow backed DatetimeIndex does not allow string comparison
Issue -
State: closed - Opened by WillAyd over 1 year ago
- 4 comments
Labels: Bug, Timeseries, Arrow
#58034 - Backport PR #57548 on branch 2.2.x (Fix accidental loss-of-precision for to_datetime(str, unit=...))
Pull Request -
State: closed - Opened by meeseeksmachine over 1 year ago
Labels: Timeseries, Stale
#57901 - DOC: Remove doc of deprecated week and weekofyear
Pull Request -
State: closed - Opened by Aloqeely over 1 year ago
- 3 comments
Labels: Docs, Timeseries
#57901 - DOC: Remove doc of deprecated week and weekofyear
Pull Request -
State: closed - Opened by Aloqeely over 1 year ago
- 2 comments
Labels: Docs, Timeseries
#57685 - BUG: datetime parsing fails on a leapday
Pull Request -
State: closed - Opened by rhshadrach over 1 year ago
- 2 comments
Labels: Bug, Timeseries
#57685 - BUG: datetime parsing fails on a leapday
Pull Request -
State: closed - Opened by rhshadrach over 1 year ago
- 2 comments
Labels: Bug, Timeseries
#57630 - DOC: fix PR01/SA01 errors for pandas.tseries.offsets.*.is_(month|quarter|year)_(end|start)
Pull Request -
State: closed - Opened by yuanx749 over 1 year ago
- 5 comments
Labels: Docs, Timeseries
#57630 - DOC: fix PR01/SA01 errors for pandas.tseries.offsets.*.is_(month|quarter|year)_(end|start)
Pull Request -
State: closed - Opened by yuanx749 over 1 year ago
- 4 comments
Labels: Docs, Timeseries
#57548 - Fix accidental loss-of-precision for to_datetime(str, unit=...)
Pull Request -
State: closed - Opened by QuLogic over 1 year ago
- 7 comments
Labels: Timeseries, Stale
#57537 - Backport PR #57536 on branch 2.2.x (BUG: dt64 + DateOffset with milliseconds)
Pull Request -
State: closed - Opened by meeseeksmachine over 1 year ago
Labels: Timeseries, Numeric Operations, Frequency
#57537 - Backport PR #57536 on branch 2.2.x (BUG: dt64 + DateOffset with milliseconds)
Pull Request -
State: closed - Opened by meeseeksmachine over 1 year ago
Labels: Timeseries, Numeric Operations, Frequency
#57536 - BUG: dt64 + DateOffset with milliseconds
Pull Request -
State: closed - Opened by mroeschke over 1 year ago
- 1 comment
Labels: Timeseries, Numeric Operations, Frequency
#57479 - PERF: Improve performance for fillna with datetime
Pull Request -
State: closed - Opened by phofl almost 2 years ago
Labels: Timeseries, Performance
#57479 - PERF: Improve performance for fillna with datetime
Pull Request -
State: closed - Opened by phofl almost 2 years ago
- 1 comment
Labels: Timeseries, Performance
#57471 - BUG: guess_datetime_format fails to infer timeformat
Pull Request -
State: closed - Opened by yuanx749 almost 2 years ago
- 2 comments
Labels: Timeseries
#57471 - BUG: guess_datetime_format fails to infer timeformat
Pull Request -
State: closed - Opened by yuanx749 almost 2 years ago
- 2 comments
Labels: Timeseries
#57275 - DEPR: disallow parsing datetimes with mixed time zones unless `utc=True`
Pull Request -
State: closed - Opened by natmokval almost 2 years ago
- 2 comments
Labels: Timeseries, Deprecate
#57275 - DEPR: disallow parsing datetimes with mixed time zones unless `utc=True`
Pull Request -
State: closed - Opened by natmokval almost 2 years ago
- 2 comments
Labels: Timeseries, Deprecate
#57006 - REGR/DOC: pd.concat(axis=1) should special case DatetimeIndex to sort even when sort=False
Issue -
State: closed - Opened by torext almost 2 years ago
- 4 comments
Labels: Timeseries, Reshaping, Regression, Index
#56831 - BUG fix for date_range 56134
Pull Request -
State: closed - Opened by jrmylow almost 2 years ago
- 2 comments
Labels: Timeseries
#56665 - Backport PR #56370 on branch 2.2.x (BUG: rolling with datetime ArrowDtype)
Pull Request -
State: closed - Opened by meeseeksmachine almost 2 years ago
Labels: Timeseries, Window, Arrow
#56658 - Backport PR #56613 on branch 2.2.x (BUG: Added raising when merging datetime columns with timedelta columns)
Pull Request -
State: closed - Opened by meeseeksmachine almost 2 years ago
Labels: Timeseries, Reshaping, Timedelta
#56637 - PERF: resolution, is_normalized
Pull Request -
State: closed - Opened by jbrockmendel almost 2 years ago
- 1 comment
Labels: Timeseries, Performance
#56613 - BUG: Added raising when merging datetime columns with timedelta columns
Pull Request -
State: closed - Opened by Huanghz2001 almost 2 years ago
- 1 comment
Labels: Timeseries, Reshaping, Timedelta
#56488 - BUG: merge_asof(tolerance=Timedelta) with ArrowDtype
Pull Request -
State: closed - Opened by mroeschke almost 2 years ago
- 2 comments
Labels: Timeseries, Reshaping, Arrow
#56455 - BUG: dtype of right merge between datetime and timedelta depends on presence of NaT
Issue -
State: closed - Opened by wence- almost 2 years ago
- 3 comments
Labels: Bug, Timeseries, Missing-data, Reshaping
#56370 - BUG: rolling with datetime ArrowDtype
Pull Request -
State: closed - Opened by mroeschke almost 2 years ago
- 1 comment
Labels: Timeseries, Window, Arrow
#56037 - BUG: to_datetime with floats and unit not matching Timestamp
Pull Request -
State: closed - Opened by jbrockmendel about 2 years ago
- 2 comments
Labels: Timeseries, Non-Nano
#55950 - REF: simplify objects_to_datetime64ns
Pull Request -
State: closed - Opened by jbrockmendel about 2 years ago
- 1 comment
Labels: Refactor, Timeseries
#55898 - PERF: array_strptime
Pull Request -
State: closed - Opened by jbrockmendel about 2 years ago
- 2 comments
Labels: Timeseries, Performance
#55780 - BUG: to_datetime with mixed-string-and-numeric
Pull Request -
State: closed - Opened by jbrockmendel about 2 years ago
- 6 comments
Labels: Timeseries
#55771 - BUG: to_datetime with empty string
Pull Request -
State: closed - Opened by jbrockmendel about 2 years ago
- 1 comment
Labels: Timeseries
#55693 - BUG: no mixed naive/aware checks with mixed string/datetime
Issue -
State: closed - Opened by jbrockmendel about 2 years ago
- 3 comments
Labels: Bug, Timeseries, Timezones, Constructors
#55663 - API: to_datetime with integers/floats and format desired behavior?
Issue -
State: open - Opened by jbrockmendel about 2 years ago
- 2 comments
Labels: Timeseries, API Design, Constructors
#55623 - DEPR: DTA/TDA.__init__
Issue -
State: closed - Opened by jbrockmendel about 2 years ago
- 6 comments
Labels: Timeseries, Timedelta, Deprecate
#55617 - REF: implement ParseState
Pull Request -
State: closed - Opened by jbrockmendel about 2 years ago
- 1 comment
Labels: Timeseries, Timezones
#55612 - REF: separate out _parse_with_format
Pull Request -
State: closed - Opened by jbrockmendel about 2 years ago
- 1 comment
Labels: Timeseries
#55564 - ENH/API: resolution inference in vectorized datetime parsing
Issue -
State: closed - Opened by jbrockmendel about 2 years ago
- 10 comments
Labels: Enhancement, Timeseries, Constructors, Non-Nano
#55499 - DEPR: DatetimeIndex/TimedeltaIndex constructor keywords
Issue -
State: open - Opened by jbrockmendel about 2 years ago
- 5 comments
Labels: Timeseries, API Design, Deprecate, Index
#55481 - BUG: to_csv with chunksize mismatched formatting of dt64
Issue -
State: open - Opened by jbrockmendel about 2 years ago
- 5 comments
Labels: Bug, Timeseries, IO CSV
#55462 - BUG: there is no year 0
Issue -
State: open - Opened by jbrockmendel about 2 years ago
- 8 comments
Labels: Timeseries, Needs Discussion
#55453 - BUG: merge_asof does not work with datetime by column on Pandas 2.1.x
Issue -
State: closed - Opened by rg9066 about 2 years ago
- 2 comments
Labels: Timeseries, Reshaping, Regression
#55422 - BUG: Inconsistent dtype behavior between read_csv and convert_dtypes with pyarrow backend for datetime
Issue -
State: open - Opened by koizumihiroo about 2 years ago
- 5 comments
Labels: Bug, Timeseries, IO CSV, Arrow
#55411 - BUG: fix for datetime parse error for more than 50 rows
Pull Request -
State: closed - Opened by rsm-23 about 2 years ago
- 3 comments
Labels: Timeseries
#55345 - BUG: datetime parsing: error message indicating position of conflicting string is wrong for larger data
Issue -
State: open - Opened by jorisvandenbossche about 2 years ago
- 7 comments
Labels: Bug, Timeseries, Error Reporting
#55319 - BUG: `date_range` `inclusive` parameter behavior doesn't match interval notation
Pull Request -
State: closed - Opened by PiotrekB416 about 2 years ago
- 5 comments
Labels: Bug, Timeseries
#55319 - BUG: `date_range` `inclusive` parameter behavior doesn't match interval notation
Pull Request -
State: closed - Opened by PiotrekB416 about 2 years ago
- 5 comments
Labels: Bug, Timeseries
#55293 - BUG: `date_range` `inclusive` parameter behavior doesn't match interval notation when `start == end`
Issue -
State: open - Opened by mixilchenko about 2 years ago
- 7 comments
Labels: Bug, Timeseries, Regression, Needs Triage
#55284 - BUG: resample('MS') may introduce trailing empty windows
Issue -
State: open - Opened by MarcoGorelli about 2 years ago
Labels: Bug, Timeseries
#55282 - BUG: resample('B') ignores `closed` and `label`?
Issue -
State: closed - Opened by MarcoGorelli about 2 years ago
Labels: Bug, Timeseries
#55281 - BUG: bin edges incorrect in resample for 'B' and 'C'
Issue -
State: closed - Opened by MarcoGorelli about 2 years ago
Labels: Bug, Timeseries
#55226 - ENH: Support for list of formats in pd.to_datetime()
Issue -
State: open - Opened by NickiForte about 2 years ago
- 2 comments
Labels: Enhancement, Timeseries, Needs Discussion
#55166 - DOC: Added alternative examples for deprecated DataFrame.last()
Pull Request -
State: closed - Opened by Hestaron about 2 years ago
- 2 comments
Labels: Docs, Timeseries, Stale, Sprints
#55131 - PERF: groupby aggregations on pyarrow timestamp and duration types
Pull Request -
State: closed - Opened by lukemanley about 2 years ago
- 1 comment
Labels: Timeseries, Groupby, Performance, Arrow
#55079 - ENH: make guess_datetime_format public
Pull Request -
State: closed - Opened by nnlnr about 2 years ago
- 12 comments
Labels: Timeseries
#54727 - ENH: make guess_datetime_format public
Issue -
State: closed - Opened by joefutrelle about 2 years ago
- 14 comments
Labels: Enhancement, Timeseries, good first issue
#54717 - DEPR: values casting dt64tz, Interval, Period
Issue -
State: open - Opened by jbrockmendel about 2 years ago
Labels: Timeseries, Period, Compat, Deprecate, Interval, ExtensionArray
#54645 - BUG: tz_convert doesn't work for multiple timezones
Issue -
State: closed - Opened by user293811 over 2 years ago
- 2 comments
Labels: Timeseries, Usage Question
#54623 - BUG: Printing a timezone-aware datetime series raises
Issue -
State: closed - Opened by AdrianDAlessandro over 2 years ago
- 1 comment
Labels: Bug, Timeseries, Output-Formatting, Timezones, Non-Nano
#54467 - DEPR: deprecate errors='ignore' in to_datetime and make output dtype predictable
Issue -
State: closed - Opened by MarcoGorelli over 2 years ago
- 11 comments
Labels: Enhancement, Timeseries, Deprecate
#54442 - BUG: Series([big_timestamp], dtype=pd.DatetimeTZDtype("us", "US/Pacific")) raises
Issue -
State: closed - Opened by jbrockmendel over 2 years ago
- 3 comments
Labels: Bug, Timeseries, Series, Non-Nano
#54402 - BUG: to_datetime does not require leading zeroes when using format = '%Y%m%d'
Issue -
State: closed - Opened by LasseDamtoft over 2 years ago
- 3 comments
Labels: Timeseries, Closing Candidate
#54211 - TST: add a test with freq=1MS to increase coverage of shift
Pull Request -
State: closed - Opened by natmokval over 2 years ago
- 1 comment
Labels: Timeseries, Needs Tests
#54014 - DEPR: passing mixed offsets with utc=False into to_datetime
Pull Request -
State: closed - Opened by natmokval over 2 years ago
- 11 comments
Labels: Timeseries, Deprecate
#54002 - Correct check when slicing non-monotonic datetime indexes
Pull Request -
State: closed - Opened by wence- over 2 years ago
- 4 comments
Labels: Timeseries, Indexing
#53471 - Backport PR #53231 on branch 2.0.x (PERF: fix merging on datetimelike columns to not use object-dtype factorizer)
Pull Request -
State: closed - Opened by meeseeksmachine over 2 years ago
Labels: Timeseries, Performance, Reshaping
#53470 - BUG: date_range and DatetimeIndex return different formats with a single timestamp for midnight
Issue -
State: open - Opened by pmlpm1986 over 2 years ago
- 7 comments
Labels: Bug, Timeseries
#53459 - BUG: pd.Timestamp becomes int in .values printout
Issue -
State: closed - Opened by aminnj over 2 years ago
- 4 comments
Labels: Bug, Timeseries, Closing Candidate
#53368 - PERF: Indexing with pyarrow timestamp & duration dtypes
Pull Request -
State: closed - Opened by lukemanley over 2 years ago
- 1 comment
Labels: Timeseries, Performance, Arrow
#53301 - BUG: to_datetime re-parsing Arrow-backed objects
Pull Request -
State: open - Opened by lithomas1 over 2 years ago
- 1 comment
Labels: Timeseries, Arrow
#53293 - BUG: `date_range` with end, periods, and freq failing
Issue -
State: closed - Opened by Charlie-XIAO over 2 years ago
- 3 comments
Labels: Bug, Testing, Timeseries, Needs Info
#53277 - "Backport PR #53257 on branch 2.0.x (BUG: Add AM/PM token support on guess_datetime_format)"
Pull Request -
State: closed - Opened by MarcoGorelli over 2 years ago
Labels: Timeseries
#53257 - BUG: Add AM/PM token support on guess_datetime_format
Pull Request -
State: closed - Opened by juli4nb4dillo over 2 years ago
- 3 comments
Labels: Timeseries
#53231 - PERF: fix merging on datetimelike columns to not use object-dtype factorizer
Pull Request -
State: closed - Opened by jorisvandenbossche over 2 years ago
- 2 comments
Labels: Timeseries, Performance, Reshaping
#53154 - BUG: Indexing with a date string and a pyarrow timestamp index raises
Issue -
State: open - Opened by matteosantama over 2 years ago
- 4 comments
Labels: Bug, Timeseries, Indexing, Arrow
#53147 - BUG: to_datetime ignores "AM" and "PM" unless format is explicitly set
Issue -
State: closed - Opened by juli4nb4dillo over 2 years ago
- 10 comments
Labels: Bug, Timeseries, Dtype Conversions, good first issue
#53127 - BUG: astype not working correctly for similar datetime format
Issue -
State: open - Opened by dipen-shrestha-ttm over 2 years ago
- 2 comments
Labels: Timeseries, Dtype Conversions, Usage Question
#52647 - DOC: Create docs for holiday related classes and functions
Issue -
State: open - Opened by Dr-Irv over 2 years ago
- 2 comments
Labels: Docs, Timeseries
#52545 - PERF: to_datetime doesn't recognise Arrow date time dtypes and converts them again
Issue -
State: open - Opened by phofl over 2 years ago
Labels: Timeseries, Performance, Arrow
#52459 - DEPR: to_pydatetime return Index[object]
Pull Request -
State: closed - Opened by jbrockmendel over 2 years ago
- 2 comments
Labels: Timeseries, Deprecate
#52322 - BUG: Unexpected behauvior interpolate limit with time and direction "both"
Issue -
State: closed - Opened by bartvaneswhiffle over 2 years ago
- 4 comments
Labels: Timeseries, Closing Candidate
#52110 - DEPR: NDFrame.to_period, to_timestamp, tz_localize, tz_convert
Issue -
State: open - Opened by jbrockmendel over 2 years ago
- 4 comments
Labels: Timeseries, API Design, Period, Deprecate, Needs Discussion, Index
#50960 - BUG: hashing datetime64 objects
Pull Request -
State: open - Opened by jbrockmendel almost 3 years ago
- 34 comments
Labels: Timeseries
#50887 - DEPR deprecate mixed timezone offsets with utc=False?
Issue -
State: closed - Opened by MarcoGorelli almost 3 years ago
- 35 comments
Labels: Timeseries, Deprecate
#50882 - BUG: first(’2s’) with index with null in middle gives 1st row instead of first 2
Issue -
State: closed - Opened by mvashishtha almost 3 years ago
- 2 comments
Labels: Bug, Timeseries, Indexing
#50881 - first(’2D’) with series with index with a null in the middle raises KeyError
Issue -
State: closed - Opened by mvashishtha almost 3 years ago
- 2 comments
Labels: Bug, Timeseries, Needs Triage, Closing Candidate
#50865 - BUG: when start_time > end_time, between_time includes rows where index is null
Issue -
State: closed - Opened by mvashishtha almost 3 years ago
- 3 comments
Labels: Bug, Timeseries, Indexing
#50702 - BUG: numpy>1.24 triggers `RuntimeWarning` when converting NaN via `pd.to_datetime()`
Issue -
State: closed - Opened by fpavogt almost 3 years ago
- 9 comments
Labels: Bug, Timeseries
#50601 - API deprecate date_parser, add date_format
Issue -
State: closed - Opened by MarcoGorelli almost 3 years ago
- 33 comments
Labels: Timeseries, API Design, IO CSV
#50468 - used regular expression in `format_is_iso()`
Pull Request -
State: closed - Opened by ShashwatAgrawal20 almost 3 years ago
- 40 comments
Labels: Timeseries, Performance
#50410 - Datetime parsing (PDEP-4): should time strings be inferred?
Issue -
State: open - Opened by jorisvandenbossche almost 3 years ago
- 5 comments
Labels: Timeseries, Closing Candidate
#49606 - BUG: `DatetimeIndex.is_year_start` returns incorrect array if `.freq == 'MS'`
Issue -
State: closed - Opened by rwijtvliet about 3 years ago
- 5 comments
Labels: Bug, Timeseries, Index
#49291 - BUG: interpreting dt64 as utc in array_to_datetime/infer_to_datetimelike
Issue -
State: closed - Opened by jbrockmendel about 3 years ago
- 3 comments
Labels: Bug, Timeseries, Constructors, API - Consistency
#49281 - BUG: Series(dt64_data, dtype=tzaware) vs Series(dt64_data).astype(tzaware)
Issue -
State: open - Opened by jbrockmendel about 3 years ago
Labels: Bug, Timeseries, Constructors, API - Consistency, Astype
#48969 - BUG: to_datetime(..., infer_datetime_format=True) fails if argument is np.str_
Issue -
State: closed - Opened by MarcoGorelli about 3 years ago
- 2 comments
Labels: Bug, Timeseries
#48688 - BUG: explicit tz=None ignored in Timestamp constructor
Issue -
State: closed - Opened by jbrockmendel about 3 years ago
- 1 comment
Labels: Bug, Timeseries, Timezones