"Sat, 28 Dec 2024 18:18:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241228
Only TIME
18:18:48
General datetime
2024-12-28 18:18:48Z
For Database
2024-12-28 18:18:48
For HTTP1.1
Sat, 28 Dec 2024 18:18:48 GMT