"Sun, 22 Sep 2024 21:54:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240922
Only TIME
21:54:55
General datetime
2024-09-22 21:54:55Z
For Database
2024-09-22 21:54:55
For HTTP1.1
Sun, 22 Sep 2024 21:54:55 GMT