"Mon, 30 Sep 2024 23:38:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240930
Only TIME
23:38:15
General datetime
2024-09-30 23:38:15Z
For Database
2024-09-30 23:38:15
For HTTP1.1
Mon, 30 Sep 2024 23:38:15 GMT