"Mon, 15 Jul 2024 09:19:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
09:19:11
General datetime
2024-07-15 09:19:11Z
For Database
2024-07-15 09:19:11
For HTTP1.1
Mon, 15 Jul 2024 09:19:11 GMT