"Tue, 18 Jun 2024 14:09:08"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
14:09:08
General datetime
2024-06-18 14:09:08Z
For Database
2024-06-18 14:09:08
For HTTP1.1
Tue, 18 Jun 2024 14:09:08 GMT