"Tue, 21 May 2024 23:07:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240521
Only TIME
23:07:56
General datetime
2024-05-21 23:07:56Z
For Database
2024-05-21 23:07:56
For HTTP1.1
Tue, 21 May 2024 23:07:56 GMT