"Sat, 21 Dec 2024 22:07:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241221
Only TIME
22:07:47
General datetime
2024-12-21 22:07:47Z
For Database
2024-12-21 22:07:47
For HTTP1.1
Sat, 21 Dec 2024 22:07:47 GMT