"Sat, 25 May 2024 18:35:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240525
Only TIME
18:35:44
General datetime
2024-05-25 18:35:44Z
For Database
2024-05-25 18:35:44
For HTTP1.1
Sat, 25 May 2024 18:35:44 GMT