how do GMT/ UTC (+-) works?

Question

For example, if it’s 06:00 (UTC+8), how would I convert it? How does the +8 part works?

In: 1

Answer 1

2am Central Time is -5 hours gmt -5 so at 2am central time you add 5 to have GMT 0 making gmt 0 7am and +8 would be 3pm.