"Sun, 17 Mar 2024 14:09:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240317
Only TIME
14:09:36
General datetime
2024-03-17 14:09:36Z
For Database
2024-03-17 14:09:36
For HTTP1.1
Sun, 17 Mar 2024 14:09:36 GMT