"Mon, 23 Dec 2024 18:44:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
18:44:51
General datetime
2024-12-23 18:44:51Z
For Database
2024-12-23 18:44:51
For HTTP1.1
Mon, 23 Dec 2024 18:44:51 GMT