"Mon, 12 Aug 2024 12:40:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240812
Only TIME
12:40:00
General datetime
2024-08-12 12:40:00Z
For Database
2024-08-12 12:40:00
For HTTP1.1
Mon, 12 Aug 2024 12:40:00 GMT