"Sat, 14 Sep 2024 06:51:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
06:51:15
General datetime
2024-09-14 06:51:15Z
For Database
2024-09-14 06:51:15
For HTTP1.1
Sat, 14 Sep 2024 06:51:15 GMT