"Sat, 14 Sep 2024 20:51:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
20:51:57
General datetime
2024-09-14 20:51:57Z
For Database
2024-09-14 20:51:57
For HTTP1.1
Sat, 14 Sep 2024 20:51:57 GMT