"Mon, 15 Jul 2024 08:39:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
08:39:33
General datetime
2024-07-15 08:39:33Z
For Database
2024-07-15 08:39:33
For HTTP1.1
Mon, 15 Jul 2024 08:39:33 GMT