"Sun, 08 Sep 2024 15:40:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240908
Only TIME
15:40:12
General datetime
2024-09-08 15:40:12Z
For Database
2024-09-08 15:40:12
For HTTP1.1
Sun, 08 Sep 2024 15:40:12 GMT