時刻の floor 関数（Python） - Qiita

interval = 900 # in seconds dt = datetime.datetime.strptime("2020-01-01 00:05:05+09:00", '%Y-%m-%d %H:%M:%S%z') print(dt_floor(dt, interval)) # => "2020-01-01 00:00:00+09:00" import datetime MINUTE = 60 # in seconds HOUR = 3600 # in seconds ndiv = 4 # in [1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60] interval = HOUR//ndiv # in seconds def dt_floor(dt, interval): interval_m = interval//MINUTE # in minu