"Sat, 25 May 2024 14:47:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240525
Only TIME
14:47:31
General datetime
2024-05-25 14:47:31Z
For Database
2024-05-25 14:47:31
For HTTP1.1
Sat, 25 May 2024 14:47:31 GMT