"Tue, 14 May 2024 14:59:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240514
Only TIME
14:59:03
General datetime
2024-05-14 14:59:03Z
For Database
2024-05-14 14:59:03
For HTTP1.1
Tue, 14 May 2024 14:59:03 GMT