"Tue, 11 Jun 2024 14:09:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240611
Only TIME
14:09:15
General datetime
2024-06-11 14:09:15Z
For Database
2024-06-11 14:09:15
For HTTP1.1
Tue, 11 Jun 2024 14:09:15 GMT