Problem Description:
The image provided is a map of the
Standard Time Zones of the World. The task likely involves using this map to solve a problem related to time zones, such as determining the local time in a specific location given a reference time or calculating the time difference between two locations.
Since the problem is not explicitly stated, I will create a hypothetical problem and solve it step by step. Here's the hypothetical problem:
---
Hypothetical Problem:
If it is
12:00 PM (noon) UTC (Coordinated Universal Time), what is the local time in
New York City (NYC) and
Sydney, Australia?
---
Solution:
#### Step 1: Understand the Time Zone Map
The map shows different time zones around the world, each represented by a number indicating the offset from UTC. Positive numbers indicate time zones ahead of UTC, while negative numbers indicate time zones behind UTC.
#### Step 2: Identify the Time Zone for New York City (NYC)
- From the map, NYC is located in the
Eastern Time Zone (ET).
- The time zone offset for NYC is
UTC -5 (indicated by the label `-5` near NYC).
#### Step 3: Calculate the Local Time in NYC
- If it is
12:00 PM UTC, we need to subtract 5 hours (since NYC is 5 hours behind UTC).
- \( 12:00 \, \text{PM} - 5 \, \text{hours} = 7:00 \, \text{AM} \).
Thus, the local time in NYC is
7:00 AM.
#### Step 4: Identify the Time Zone for Sydney, Australia
- From the map, Sydney is located in the
Australian Eastern Standard Time (AEST).
- The time zone offset for Sydney is
UTC +10 (indicated by the label `+10` near Sydney).
#### Step 5: Calculate the Local Time in Sydney
- If it is
12:00 PM UTC, we need to add 10 hours (since Sydney is 10 hours ahead of UTC).
- \( 12:00 \, \text{PM} + 10 \, \text{hours} = 10:00 \, \text{PM} \).
Thus, the local time in Sydney is
10:00 PM.
#### Final Answer:
-
Local time in NYC:
7:00 AM
-
Local time in Sydney:
10:00 PM
\[
\boxed{7:00 \, \text{AM} \, \text{(NYC)}, \, 10:00 \, \text{PM} \, \text{(Sydney)}}
\]
---
Explanation:
1.
Time Zone Offsets: The map provides the offset of each time zone from UTC. This offset is crucial for converting UTC to local time.
2.
Addition/Subtraction: To convert UTC to local time:
- Subtract the offset if the time zone is behind UTC.
- Add the offset if the time zone is ahead of UTC.
3.
Day Change: Be careful with day changes when crossing the International Date Line or when adding/subtracting large offsets.
This method can be applied to any location on the map to determine the local time given a reference time in UTC.
Parent Tip: Review the logic above to help your child master the concept of free printable map of world time zones.
