"Sat, 20 Apr 2024 13:01:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240420
Only TIME
13:01:15
General datetime
2024-04-20 13:01:15Z
For Database
2024-04-20 13:01:15
For HTTP1.1
Sat, 20 Apr 2024 13:01:15 GMT