"Tue, 11 Jun 2024 13:40:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240611
Only TIME
13:40:37
General datetime
2024-06-11 13:40:37Z
For Database
2024-06-11 13:40:37
For HTTP1.1
Tue, 11 Jun 2024 13:40:37 GMT