"Sat, 07 Sep 2024 18:39:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240907
Only TIME
18:39:20
General datetime
2024-09-07 18:39:20Z
For Database
2024-09-07 18:39:20
For HTTP1.1
Sat, 07 Sep 2024 18:39:20 GMT