"Sat, 27 Jul 2024 13:34:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240727
Only TIME
13:34:50
General datetime
2024-07-27 13:34:50Z
For Database
2024-07-27 13:34:50
For HTTP1.1
Sat, 27 Jul 2024 13:34:50 GMT