"Sat, 25 May 2024 16:24:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240525
Only TIME
16:24:18
General datetime
2024-05-25 16:24:18Z
For Database
2024-05-25 16:24:18
For HTTP1.1
Sat, 25 May 2024 16:24:18 GMT