Greenwich Mean Time (GMT) is on the $0^\circ$0° meridian. What is the difference in time between the sunrise in Greenwich and the sunrise in a city at a longitude of:
$30^\circ$30°$W$W?
$105^\circ$105°$E$E?
$97.5^\circ$97.5°$W$W?
$\editable{}$ hour(s) $\editable{}$ minutes
$44^\circ$44°$E$E?
$\editable{}$ hour(s) $\editable{}$ minutes
The time in Denver is GMT $-7$−7.
Calculate the time difference between Hong Kong ($22$22°$N$N, $114$114°$E$E) and Beirut ($34$34°$N$N, $36$36°$E$E) to the nearest hour.
Calculate the time difference between Los Angeles ($34$34°$N$N, $118$118°$W$W) and Beijing ($40$40°$N$N, $116$116°$E$E) to the nearest hour.