"Sat, 19 Oct 2024 18:21:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241019
Only TIME
18:21:51
General datetime
2024-10-19 18:21:51Z
For Database
2024-10-19 18:21:51
For HTTP1.1
Sat, 19 Oct 2024 18:21:51 GMT