"Mon, 29 Jul 2024 14:30:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240729
Only TIME
14:30:15
General datetime
2024-07-29 14:30:15Z
For Database
2024-07-29 14:30:15
For HTTP1.1
Mon, 29 Jul 2024 14:30:15 GMT