"Tue, 21 May 2024 05:45:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240521
Only TIME
05:45:16
General datetime
2024-05-21 05:45:16Z
For Database
2024-05-21 05:45:16
For HTTP1.1
Tue, 21 May 2024 05:45:16 GMT