How many time zones are there in the world?
24
If it is 7pm in Bangor, Maine, what time is it in Columbia, South Carolina?
7pm
If it is 12pm in Perth, Australia, what time is it in Sydney, Australia?
2pm
How many time zones are there in the continental US?
4
If it is 8am in Denver, Colorado, what time is it in Dallas, Texas?
9am
If it is 2am in Los Angeles, California, what time is it in Nuuk, Greenland?
7am
How many time zones are there in the entire US (all 50 states)?
6
If it is 6pm in Memphis, Tennessee, what time is it in Knoxville, Tennessee?
7pm
If it is 9am in Madagascar, what time is it in Peru?
1am
What year was International Standard Time System established?
1884
If it is 4am in Montpelier, Vermont, what time is it in Salt Lake City, Utah?
2am
If it is 7pm on 12/10 in Dublin, Ireland, what time and date is it Anadyr, Russia?
7am on 12/11
Explain the relationship between the number of time zones and rotation of the Earth.
The rotation of the earth causes the days, and one rotation takes 24 hours, which is why we have 24 time zones on Earth.
If it is 11am in San Francisco, California, what time is it in Albany, New York?
2pm
If it is 4pm in Fairbanks, Alaska, what is it in Darwin, Australia?
10:30am