Estimated Time Of Arrival

The number, with its sign, that must be added to or subtracted from the zone time to obtain the Greenwich mean time. It is determined by dividing the longitude by 15°

• Longitude Time

• UTC

• Zone Time

• Zone Description

It is the local mean time of a reference or zone meridian whose time is kept throughout a designated zone. The zone meridian is usually the nearest meridian whose longitude is exactly divisible by 15°

• Zone Description

• Zone Time

• UTC Time

• Apparent time

Where can you find the ZD 00 Hour?

• IDL

• Greenwich

• Equator

• Parallel of Latitude

Where can you find the ZD 12 Hour?

• Greenwich

• Equator

• Prime meridian

• IDL

What is the clock adjustment when navigating Westerly?

• Retard

• Advance

• No adjustment

• Increase

What is the clock adjustment when navigating Easterly?

• Retard

• Advance

• Decrease

• No Adjutment

What is your Zone Description when you are at Longitude 015 West?

• • + 01

• • - 01

• • + 15

• • - 15

What is your Zone Description when you are at Longitude 045 East

• • + 45

• • - 45

• • + 03

• • - 03

What happens when you pass International Date Line (IDL) on Westerly direction?

• Add 1 day

• Subtract 1 day

• Keep the date & time

• Adjust the clock

What happens when you pass International Date Line (IDL) on Easterly direction?

• Add 1 day

• Subtract 1 day

• Keep date & time

• Plot position