"Fri, 19 Apr 2024 20:20:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240419
Only TIME
20:20:34
General datetime
2024-04-19 20:20:34Z
For Database
2024-04-19 20:20:34
For HTTP1.1
Fri, 19 Apr 2024 20:20:34 GMT