"Sat, 07 Dec 2024 19:40:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241207
Only TIME
19:40:00
General datetime
2024-12-07 19:40:00Z
For Database
2024-12-07 19:40:00
For HTTP1.1
Sat, 07 Dec 2024 19:40:00 GMT