World Time Zones

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Across
  1. 3. is also known as Daylight Savings Time
  2. 6. The lines that are used to determine time zones
  3. 7. The line that divides the earth into the northern and southern hemisphere
Down
  1. 1. The hours in a day
  2. 2. The town where the 0 degrees line of longitude is situated
  3. 4. The line where each new calendar day starts
  4. 5. Extreme tiredness after crossing several time zones