"Sat, 13 Apr 2024 22:21:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240413
Only TIME
22:21:40
General datetime
2024-04-13 22:21:40Z
For Database
2024-04-13 22:21:40
For HTTP1.1
Sat, 13 Apr 2024 22:21:40 GMT