"Mon, 15 Jul 2024 13:33:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
13:33:04
General datetime
2024-07-15 13:33:04Z
For Database
2024-07-15 13:33:04
For HTTP1.1
Mon, 15 Jul 2024 13:33:04 GMT