"Mon, 15 Jul 2024 13:24:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
13:24:03
General datetime
2024-07-15 13:24:03Z
For Database
2024-07-15 13:24:03
For HTTP1.1
Mon, 15 Jul 2024 13:24:03 GMT