"Sat, 06 Apr 2024 06:23:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240406
Only TIME
06:23:18
General datetime
2024-04-06 06:23:18Z
For Database
2024-04-06 06:23:18
For HTTP1.1
Sat, 06 Apr 2024 06:23:18 GMT