"Sun, 24 Mar 2024 11:21:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240324
Only TIME
11:21:03
General datetime
2024-03-24 11:21:03Z
For Database
2024-03-24 11:21:03
For HTTP1.1
Sun, 24 Mar 2024 11:21:03 GMT