"Sat, 03 Aug 2024 15:14:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240803
Only TIME
15:14:39
General datetime
2024-08-03 15:14:39Z
For Database
2024-08-03 15:14:39
For HTTP1.1
Sat, 03 Aug 2024 15:14:39 GMT