The hour 17 in 24-hour time corresponds to 5:00 PM in 12-hour time. So:

• 17:00 = 5:00 PM

If you want the same in Arabic terms: الساعة 17 تعني الساعة الخامسة مساءً. Context notes:

• In 24-hour time, hours run from 00 to 23. Subtract 12 from any hour greater than 12 to get the PM time in 12-hour format.
• There is no difference for the hour 17 across most locales; only the AM/PM labeling changes between 24-hour and 12-hour systems.