"Tue, 18 Jun 2024 22:21:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
22:21:31
General datetime
2024-06-18 22:21:31Z
For Database
2024-06-18 22:21:31
For HTTP1.1
Tue, 18 Jun 2024 22:21:31 GMT