"Fri, 17 May 2024 19:59:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240517
Only TIME
19:59:20
General datetime
2024-05-17 19:59:20Z
For Database
2024-05-17 19:59:20
For HTTP1.1
Fri, 17 May 2024 19:59:20 GMT