What is a GMT watch? Instructions on how to see the GMT watch properly

The HOT of GMT watches has never cooled down even after many generations. Let’s find out what GMT watch is with lassho.edu.vn? And how to see the GMT watch properly!

What is GMT?

GMT stands for Greenwich Mean Time , which can be roughly understood as the time of the sun observed at the Royal Observatory located in Greenwich – a park in London, England. Greenwich becomes a special place when it is conventionally referred to as the prime meridian (the zero meridian) of the Earth.

In 1884, people officially adopted GMT as the international time standard. At the same time, the International Meridian Conference established 24 time zones corresponding to 24 meridians according to the GMT standard time zone.

GMT has been used globally for a long time. With the high accuracy of today’s atomic clocks, GMT can be replaced by UTC (short for Universal Time Coordinated) – called Universal Time Coordinates, or atomic time.

However, the prime meridian is still conventionally located in Greenwich, so GMT is also considered the basis of UTC, and GMT remains the standard time zone in use today.

What is a GMT watch?

A GMT watch is an analog chronograph , allowing you to tell the time in 2 different time zones – determined based on the GMT standard time zone and for a total display of 24 time zones.

In addition to having three hands – hour, minute, second , on the face of this watch, the dial is also equipped with a second hour hand called the GMT hand (located in the center or sub-dials depending on the product model). .

What’s so special about the second hour hand?

• This second hour hand will tell you the exact time at any point you want to know.
• The time frame corresponding to this second hour hand is usually 24 o’clock, or the names of the cities corresponding to the 24 time zones. The special feature of this time frame is that you can rotate it with the crown or bezel to know the 2nd time zone you want to know.

How to see a GMT watch

Greenwich will represent the zero hour mark, so if you want to know where the time is, just add or subtract the number of time zones relative to Greenwich (London, England).

In other words, the GMT watch does the basic math for the user to tell the time. Wherever you are, just turn the bezel with the number of time zones different from the time in the UK, and you will know the time where you want to know.

For example, you are in the UK, according to local time, the hour and minute hands show 4:15 pm, you want to know the time in the city of Rio de Janeiro (in Brazil).

First, you need to check that the arrow on the bezel is correct at 12, and that the time zone in Rio de Janeiro runs slower than in the UK which is GMT-3 (check the GMT Comparison Table).

Then, adjust the bezel back to 3 o’clock, look at the 2nd GMT hand (indicated in red on the dial as shown in the figure) at 12 on the bezel, and the minute hand (in local time) at 15. minutes, that is, 1215, or 12:15 noon in Rio de Janeiro.

Refer to the GMT Time Zone Comparison Table:

Who should use GMT watches?

Understanding what a GMT watch is and how to see it, you must have seen its great use.

A GMT watch that helps you keep track of time in at least two places at the same time, is a perfect accessory for those who work in aviation (pilots, flight attendants, …) and business people, who often often go abroad for business , even those who like to travel a lot abroad .

Not only that, the GMT watch is also suitable for those who want to keep track of the time to interact with foreigners quickly, without having to use the phone to look up the time zone. Even men who love the operation of GMT watches can choose to use this type of watch because of its unique design, besides choosing other modern men’s fashion watches.

How to choose a GMT watch

Most GMT watches have the same operating principle, so choosing this watch depends on each person’s preferences. Such as:

GMT watch style showing 24 time zones

If you love simplicity and elegance, then the GMT watch with 24 time zones is the way to go.

You just need to turn (turn) the bezel on the watch, combined with the 2nd hour hand (usually shown in a different color than the rest of the hands), to know the time anywhere. any.

GMT watch style showing 24 cities

The GMT watch style has a display of 24 cities corresponding to 24 time zones, suitable for those who love unique design.

GMT watch style with built-in calendar or compass function

This GMT watch model is also very popular because it brings additional convenience for watch wearers such as viewing the date, coordinates, etc.

It can be said that the GMT wristwatch becomes your companion wherever you go, because of the unique design elements and characteristic operating principles inherent in this watch.

Hopefully, the information shared above will help you have a more unique view of what GMT watch is and how to see this watch!