"Sat, 21 Dec 2024 02:00:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241221
Only TIME
02:00:55
General datetime
2024-12-21 02:00:55Z
For Database
2024-12-21 02:00:55
For HTTP1.1
Sat, 21 Dec 2024 02:00:55 GMT