"Fri, 27 Dec 2024 21:05:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241227
Only TIME
21:05:19
General datetime
2024-12-27 21:05:19Z
For Database
2024-12-27 21:05:19
For HTTP1.1
Fri, 27 Dec 2024 21:05:19 GMT