"Tue, 17 Sep 2024 15:45:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240917
Only TIME
15:45:54
General datetime
2024-09-17 15:45:54Z
For Database
2024-09-17 15:45:54
For HTTP1.1
Tue, 17 Sep 2024 15:45:54 GMT