"Sat, 25 May 2024 12:34:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240525
Only TIME
12:34:33
General datetime
2024-05-25 12:34:33Z
For Database
2024-05-25 12:34:33
For HTTP1.1
Sat, 25 May 2024 12:34:33 GMT