The combination of datetime, date until and pytz is annoying, but its not clear from your example whether you're better. Why not try using you example to show m

The combination of datetime, date until and pytz is annoying, but its not clear from your example whether you're better. Why not try using you example to show many of the nuanced issues with computers representing time (that many don't know about) and how your API helps. For example: is it 5:30 in Phoenix, Arizona? Sorry, can't look in detail at your API - on my phone.