Calculating Time in Different World Time Zones

Calculating Time in Different World Time Zones in Relation to the Philippines

Time Zone - 0:12
Coordinated Standard time - 0:21
Philippine UTC 0.32
How to calculate Time in places with UTC -1 to UTC-12 0:49
How to calculate Time in places with UTC 0 to UTC +7 5:52
How to calculate Time in places with UTC _9 to UTC +12 8:21

MELC Math 5 Quarter 3 week 7