"Sat, 25 May 2024 18:15:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240525
Only TIME
18:15:10
General datetime
2024-05-25 18:15:10Z
For Database
2024-05-25 18:15:10
For HTTP1.1
Sat, 25 May 2024 18:15:10 GMT