"Mon, 15 Jul 2024 09:20:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
09:20:35
General datetime
2024-07-15 09:20:35Z
For Database
2024-07-15 09:20:35
For HTTP1.1
Mon, 15 Jul 2024 09:20:35 GMT