"Sat, 20 Apr 2024 18:23:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240420
Only TIME
18:23:50
General datetime
2024-04-20 18:23:50Z
For Database
2024-04-20 18:23:50
For HTTP1.1
Sat, 20 Apr 2024 18:23:50 GMT