"Sat, 14 Dec 2024 16:30:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
16:30:23
General datetime
2024-12-14 16:30:23Z
For Database
2024-12-14 16:30:23
For HTTP1.1
Sat, 14 Dec 2024 16:30:23 GMT