"Fri, 27 Dec 2024 08:40:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241227
Only TIME
08:40:40
General datetime
2024-12-27 08:40:40Z
For Database
2024-12-27 08:40:40
For HTTP1.1
Fri, 27 Dec 2024 08:40:40 GMT