"Sat, 13 Apr 2024 12:36:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240413
Only TIME
12:36:45
General datetime
2024-04-13 12:36:45Z
For Database
2024-04-13 12:36:45
For HTTP1.1
Sat, 13 Apr 2024 12:36:45 GMT