"Thu, 21 Mar 2024 16:08:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240321
Only TIME
16:08:38
General datetime
2024-03-21 16:08:38Z
For Database
2024-03-21 16:08:38
For HTTP1.1
Thu, 21 Mar 2024 16:08:38 GMT