"Mon, 29 Jul 2024 06:40:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240729
Only TIME
06:40:15
General datetime
2024-07-29 06:40:15Z
For Database
2024-07-29 06:40:15
For HTTP1.1
Mon, 29 Jul 2024 06:40:15 GMT