"Sun, 22 Sep 2024 16:40:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240922
Only TIME
16:40:20
General datetime
2024-09-22 16:40:20Z
For Database
2024-09-22 16:40:20
For HTTP1.1
Sun, 22 Sep 2024 16:40:20 GMT