"Sun, 15 Sep 2024 02:43:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
02:43:55
General datetime
2024-09-15 02:43:55Z
For Database
2024-09-15 02:43:55
For HTTP1.1
Sun, 15 Sep 2024 02:43:55 GMT