"Mon, 15 Jul 2024 23:36:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
23:36:00
General datetime
2024-07-15 23:36:00Z
For Database
2024-07-15 23:36:00
For HTTP1.1
Mon, 15 Jul 2024 23:36:00 GMT