"Sat, 13 Apr 2024 20:20:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240413
Only TIME
20:20:34
General datetime
2024-04-13 20:20:34Z
For Database
2024-04-13 20:20:34
For HTTP1.1
Sat, 13 Apr 2024 20:20:34 GMT