"Sat, 14 Dec 2024 16:31:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
16:31:23
General datetime
2024-12-14 16:31:23Z
For Database
2024-12-14 16:31:23
For HTTP1.1
Sat, 14 Dec 2024 16:31:23 GMT