"Sat, 14 Dec 2024 02:08:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241214
Only TIME
02:08:21
General datetime
2024-12-14 02:08:21Z
For Database
2024-12-14 02:08:21
For HTTP1.1
Sat, 14 Dec 2024 02:08:21 GMT