He booked a ticket on CX 883 departing on 04th of November at 2330 (1130pm) and boarded his flight on schedule. He decided to take a flight with Cathay Pacific since he enjoyed their service and he reached way before he departed. He loved his time in LA and was happy that he saved a day of his travel. The Flight departing time from Hongkong was 1215 am minus – spare time 3hrs 40 min = 835pm day before.Īfter a month or so Mr.Lee decided to come back to his home country. Lee still had spare time when he landed in LA hence this spare time was adjusted (deducted) and he reached 3hrs 40 min earlier from when he departed.
So if the time difference between the two cities is 16hrs and flight duration is 12hrs 20 min Mr. The flight duration is 12hrs and 20 min.ġ6 hrs (time difference between HKG and LAX) minus 12 hrs 20 min (flight duration) = 3hrs 40 min (spare time)
So if you do the math and add 8 + 8 = 16 means Hongkong is 16hrs ahead of LA. When the flight departed at 1215 am on 1st of October from Hongkong the time in GMT zone or Greenwich UK was 8hrs behind that means it was 415pm on the 30th of September and Los Angles is -8 hrs behind the GMT/UTC which means the local time LA when flight departed was 815am on 30th of September. Hongkong is in Asia and is 8hrs ahead (+8) of GMT/UTC as per our time zones and Los Angles is in the USA (-8) behind Behind GMT/UTC. Lee or Cathay did not technically travel ahead in time however they crossed something called an International Dateline. Here is the logical explain how this works?Īlthough Mr. Travel From Hong Kong To Los Angeles crossing the International date line Did Cathay Pacific airline passed through a wormhole or was it time travel. Lee thinks about how is this possible since he clearly remembers he had departed on the 1st of October. Lee checks all the details and notices the duration of the flight is 12hrs and 20 min and arrival time in LA will be 2035 (835pm), However, upon arrival, he checks with airline staff the time and date to adjust his clock and is advised that it was 835pm on 30th of September and not 1st of October he has reached a day earlier from when he had departed. Cathay operates a non-stop service between two cities and flight leaves at 1215 am on the 1st of October from hong kong. Lee a resident of Hong Kong has booked his flight with Cathay Pacific airline from Hong Kong to LA. Lee’s travel from Hong Kong to Los Angeles USA. As such when a traveler from Japan when traveling to the USA which is on the other side of the line actually gains a day in travel. Supposing if the meridian had passed through any other country the time zones would have varied accordingly.Īs all countries on the east of prime meridian would be ahead of time and all countries on the west of meridian would be behind the time of meridian the countries which are near to the Pacific on the left side of the line like Japan, Newzeland commence a day and countries to the right side of the line like the Hawai islands and other small pacific islands to the right side of the IDL will end the same calendar day. The answer to that is simple since the prime meridian or zero degrees longitude passes through Greenwich UK and earth being a globe 180 degrees from either of the sides east or west lies in the pacific ocean. Many people may be curious as to why does the IDL is set in the middle of the pacific ocean and not somewhere else as the earth is spherical in shape. Why Does the IDL pass through the middle of the Pacific Ocean and not via some other country? Similarly in image 2 of the globe, the line is not a straight line. If you observe the above images you will notice in the first image the IDL is at the extreme left side at around 180 degrees and is not exactly a straight line.
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