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Pythonで文字列を日付に変換

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文字列から日付(datetime)に変換

from datetime import datetime

str = '20210808134937'
date = datetime.strptime(str, '%Y%m%d%H%M%S')

print(date) # 2021-08-08 13:49:37
print(type(date)) # <class 'datetime.datetime'>

文字列から日付(date)に変換

import datetime

str = '20210808134937'
date = datetime.datetime.strptime(str, '%Y%m%d%H%M%S')
tdate = datetime.date(date.year, date.month, date.day)

print(tdate) # 2021-08-08
print(type(tdate)) # <class 'datetime.date'>

日付から文字列に変換

import datetime

tdatetime = datetime.now()
tstr = tdatetime.strftime('%Y/%m/%d %H:%M:%S')

print(tstr) # 2021/08/11 17:18:51
print(type(tstr)) # <class 'str'>

日付フォーマット

書式 説明
%Y 年 西暦4桁(例、2021)
%y 年 西暦2桁(例、21)
%m 月2桁(例、12)
%d 日2桁(例、31)
%H 時 24時間表記(例、14)
%I 時 12時間表記(例、02)
%p AM、PM
%M 分2桁
%S 秒2桁
%f マイクロ秒6桁
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