"Mon, 15 Jul 2024 07:38:27"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
07:38:27
General datetime
2024-07-15 07:38:27Z
For Database
2024-07-15 07:38:27
For HTTP1.1
Mon, 15 Jul 2024 07:38:27 GMT