"Fri, 17 May 2024 18:34:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240517
Only TIME
18:34:55
General datetime
2024-05-17 18:34:55Z
For Database
2024-05-17 18:34:55
For HTTP1.1
Fri, 17 May 2024 18:34:55 GMT