"Sat, 14 Sep 2024 20:39:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
20:39:30
General datetime
2024-09-14 20:39:30Z
For Database
2024-09-14 20:39:30
For HTTP1.1
Sat, 14 Sep 2024 20:39:30 GMT