"Fri, 27 Dec 2024 18:18:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241227
Only TIME
18:18:55
General datetime
2024-12-27 18:18:55Z
For Database
2024-12-27 18:18:55
For HTTP1.1
Fri, 27 Dec 2024 18:18:55 GMT