"Sat, 14 Dec 2024 21:06:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
21:06:38
General datetime
2024-12-14 21:06:38Z
For Database
2024-12-14 21:06:38
For HTTP1.1
Sat, 14 Dec 2024 21:06:38 GMT