"Mon, 15 Jul 2024 23:55:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
23:55:02
General datetime
2024-07-15 23:55:02Z
For Database
2024-07-15 23:55:02
For HTTP1.1
Mon, 15 Jul 2024 23:55:02 GMT