"Mon, 15 Jul 2024 13:33:08"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
13:33:08
General datetime
2024-07-15 13:33:08Z
For Database
2024-07-15 13:33:08
For HTTP1.1
Mon, 15 Jul 2024 13:33:08 GMT