python datetime練習

PythonでUNIX時間（エポック秒）と日時datetimeを相互変換 | note.nkmk.me
Pythonのdatetimeで日付や時間と文字列を変換（strftime, strptime） | note.nkmk.me

dt_example.py

import datetime

def main():
    # 本日を取得
    dt_today = datetime.datetime.today()
    print(dt_today.strftime('%Y-%m-%d %H:%M:%S'))
    # unixtime
    unixtime = dt_today.timestamp()
    print(unixtime)
    # unixtime -> datetime object
    dt_obj_fromunix = datetime.datetime.fromtimestamp(unixtime)
    print(dt_obj_fromunix.strftime('%Y-%m-%d %H:%M:%S'))
    # datestr -> datetime object
    dt_str = '2020/12/01 12:00:00'
    dt_obj = datetime.datetime.strptime(dt_str, '%Y/%m/%d %H:%M:%S')
    print(dt_obj.strftime('%Y-%m-%d %H:%M:%S'))


if __name__ == '__main__':
    main()

2020-12-12 16:04:38
1607756678.533729
2020-12-12 16:04:38
2020-12-01 12:00:00