Dates and times have two hard parts: the arithmetic, which is fiddly, and the timezones, which are treacherous. This cheatsheet gathers the whole toolkit on one page, from date and datetime through timedelta, formatting and parsing, timezones with zoneinfo, daylight saving, and pandas resampling, each snippet annotated line by line. Keep it open while you work, or save the image and pin it nearby.
For the full background, read the guide to dates and times in Python. To practise, work through the 10 code-along examples.
Download the cheatsheet
Hope this helps.
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