"Sat, 13 Apr 2024 11:21:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240413
Only TIME
11:21:11
General datetime
2024-04-13 11:21:11Z
For Database
2024-04-13 11:21:11
For HTTP1.1
Sat, 13 Apr 2024 11:21:11 GMT