"Sat, 06 Apr 2024 12:12:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240406
Only TIME
12:12:36
General datetime
2024-04-06 12:12:36Z
For Database
2024-04-06 12:12:36
For HTTP1.1
Sat, 06 Apr 2024 12:12:36 GMT