"Fri, 20 Dec 2024 23:59:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241220
Only TIME
23:59:51
General datetime
2024-12-20 23:59:51Z
For Database
2024-12-20 23:59:51
For HTTP1.1
Fri, 20 Dec 2024 23:59:51 GMT