"Mon, 15 Jul 2024 22:15:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
22:15:12
General datetime
2024-07-15 22:15:12Z
For Database
2024-07-15 22:15:12
For HTTP1.1
Mon, 15 Jul 2024 22:15:12 GMT