"Mon, 15 Jul 2024 20:57:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
20:57:14
General datetime
2024-07-15 20:57:14Z
For Database
2024-07-15 20:57:14
For HTTP1.1
Mon, 15 Jul 2024 20:57:14 GMT