"Tue, 14 May 2024 14:37:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240514
Only TIME
14:37:40
General datetime
2024-05-14 14:37:40Z
For Database
2024-05-14 14:37:40
For HTTP1.1
Tue, 14 May 2024 14:37:40 GMT