"Mon, 15 Jul 2024 14:46:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
14:46:37
General datetime
2024-07-15 14:46:37Z
For Database
2024-07-15 14:46:37
For HTTP1.1
Mon, 15 Jul 2024 14:46:37 GMT