"Sun, 22 Sep 2024 18:39:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240922
Only TIME
18:39:42
General datetime
2024-09-22 18:39:42Z
For Database
2024-09-22 18:39:42
For HTTP1.1
Sun, 22 Sep 2024 18:39:42 GMT