"Sun, 15 Sep 2024 03:16:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
03:16:34
General datetime
2024-09-15 03:16:34Z
For Database
2024-09-15 03:16:34
For HTTP1.1
Sun, 15 Sep 2024 03:16:34 GMT