"Sat, 03 Aug 2024 20:09:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240803
Only TIME
20:09:20
General datetime
2024-08-03 20:09:20Z
For Database
2024-08-03 20:09:20
For HTTP1.1
Sat, 03 Aug 2024 20:09:20 GMT