"Sun, 15 Sep 2024 02:14:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
02:14:19
General datetime
2024-09-15 02:14:19Z
For Database
2024-09-15 02:14:19
For HTTP1.1
Sun, 15 Sep 2024 02:14:19 GMT