"Sat, 05 Oct 2024 17:15:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241005
Only TIME
17:15:15
General datetime
2024-10-05 17:15:15Z
For Database
2024-10-05 17:15:15
For HTTP1.1
Sat, 05 Oct 2024 17:15:15 GMT