"Sun, 24 Mar 2024 22:18:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240324
Only TIME
22:18:13
General datetime
2024-03-24 22:18:13Z
For Database
2024-03-24 22:18:13
For HTTP1.1
Sun, 24 Mar 2024 22:18:13 GMT