"Mon, 15 Jul 2024 22:37:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
22:37:11
General datetime
2024-07-15 22:37:11Z
For Database
2024-07-15 22:37:11
For HTTP1.1
Mon, 15 Jul 2024 22:37:11 GMT