"Mon, 09 Sep 2024 16:48:49"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240909
Only TIME
16:48:49
General datetime
2024-09-09 16:48:49Z
For Database
2024-09-09 16:48:49
For HTTP1.1
Mon, 09 Sep 2024 16:48:49 GMT