"Sat, 06 Apr 2024 16:23:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240406
Only TIME
16:23:15
General datetime
2024-04-06 16:23:15Z
For Database
2024-04-06 16:23:15
For HTTP1.1
Sat, 06 Apr 2024 16:23:15 GMT