"Sun, 01 Sep 2024 21:36:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240901
Only TIME
21:36:13
General datetime
2024-09-01 21:36:13Z
For Database
2024-09-01 21:36:13
For HTTP1.1
Sun, 01 Sep 2024 21:36:13 GMT