"Mon, 16 Sep 2024 18:40:49"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240916
Only TIME
18:40:49
General datetime
2024-09-16 18:40:49Z
For Database
2024-09-16 18:40:49
For HTTP1.1
Mon, 16 Sep 2024 18:40:49 GMT