"Mon, 23 Sep 2024 18:38:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240923
Only TIME
18:38:00
General datetime
2024-09-23 18:38:00Z
For Database
2024-09-23 18:38:00
For HTTP1.1
Mon, 23 Sep 2024 18:38:00 GMT