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BUG: plotting with non-nano TimedeltaIndex #63237

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Merged
merged 4 commits into from
Dec 2, 2025
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BUG: plotting with non-nano TimedeltaIndex #63237

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fbdeaa8
BUG: plotting with non-nano TimedeltaIndex
jbrockmendel Nov 30, 2025
4b5c509
Merge branch 'main' into bug-td-plot
jbrockmendel Dec 1, 2025
7bdbffc
whatsnew, default exp arg
jbrockmendel Dec 1, 2025
ce5267d
Merge branch 'main' into bug-td-plot
jbrockmendel Dec 2, 2025
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1 change: 1 addition & 0 deletions doc/source/whatsnew/v3.0.0.rst
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Expand Up @@ -1249,6 +1249,7 @@ Plotting
- Bug in :meth:`Series.plot` preventing a line and bar from being aligned on the same plot (:issue:`61161`)
- Bug in :meth:`Series.plot` preventing a line and scatter plot from being aligned (:issue:`61005`)
- Bug in :meth:`Series.plot` with ``kind="pie"`` with :class:`ArrowDtype` (:issue:`59192`)
- Bug in plotting with a :class:`TimedeltaIndex` with non-nanosecond resolution displaying incorrect labels (:issue:`63237`)

Groupby/resample/rolling
^^^^^^^^^^^^^^^^^^^^^^^^
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2 changes: 1 addition & 1 deletion pandas/plotting/_matplotlib/converter.py
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Expand Up @@ -1107,7 +1107,7 @@ def __init__(self, unit: TimeUnit = "ns"):
axis: Axis

@staticmethod
def format_timedelta_ticks(x, pos, n_decimals: int, exp: int) -> str:
def format_timedelta_ticks(x, pos, n_decimals: int, exp: int = 9) -> str:
"""
Convert seconds to 'D days HH:MM:SS.F'
"""
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