"Mon, 15 Jul 2024 04:39:16"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
04:39:16
General datetime
2024-07-15 04:39:16Z
For Database
2024-07-15 04:39:16
For HTTP1.1
Mon, 15 Jul 2024 04:39:16 GMT