"Sat, 19 Oct 2024 18:38:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241019
Only TIME
18:38:23
General datetime
2024-10-19 18:38:23Z
For Database
2024-10-19 18:38:23
For HTTP1.1
Sat, 19 Oct 2024 18:38:23 GMT