"Sat, 14 Dec 2024 06:34:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
06:34:56
General datetime
2024-12-14 06:34:56Z
For Database
2024-12-14 06:34:56
For HTTP1.1
Sat, 14 Dec 2024 06:34:56 GMT