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TEACHER-GUIDE-VERIFIED · TG-V9-009

6. An observatory records an event at 21:35 local time and is 5 hours behind Universal Time. Convert the event to Universal Time.

Verified solution

Solution: Add 5 hours: 21:35 + 5:00 = 26:35, which wraps to 02:35 UT on the next day.

Source: Teacher Guide V9 · English V9. Match the numbers and wording in your printed question before using this solution.

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VIDEO HELP · TG-V9-009

Convert Local Time to Universal Time | Crossing Midnight (TG-V9-009)

Add five hours to 21:35 local time, wrap 26:35 to a 24-hour clock, and interpret the result as 02:35 Universal Time on the next day.

Space Math Explorers · approved worked example · 1:47 · Watch on YouTube

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These pages reproduce verified solution steps for the registered V9 questions. It does not diagnose learning needs or replace instruction from a qualified teacher or tutor.