"Sun, 22 Sep 2024 21:00:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240922
Only TIME
21:00:00
General datetime
2024-09-22 21:00:00Z
For Database
2024-09-22 21:00:00
For HTTP1.1
Sun, 22 Sep 2024 21:00:00 GMT