Sage-Tips

Why are some time zones 30 minutes different?

So why are some cities 30 or 45 minutes off? That has largely to do with the politics in each of those places. For example, in New Delhi, India, they found themselves halfway between two meridians, and therefore decided to be 30 minutes between each, as opposed to adopting one time or the other.

Why is there a time difference in time?

As Earth rotates, different parts of Earth receive sunlight or darkness, giving us day and night. As your location on Earth rotates into sunlight, you see the sun rise. Since different parts of Earth enter and exit daylight at different times, we need different time zones.

Why is India’s time 30 minutes different?

When the meridians for the Indian subcontinent were created, New Delhi was in between the two. Naturally, India decided to be 30 minutes between the two time zones, which is why the country is only 30 minutes ahead of nearby Pakistan, for example.

Is there a 30 minute time zone?

While most time zones differ from Coordinated Universal Time (UTC) by a number of full hours, there are also a few time zones with both 30-minute and 45-minute offsets. The local time in a time zone is defined by its difference from Coordinated Universal Time (UTC), the world’s time standard.

Why is there a half hour time difference in Afghanistan?

AFGHANISTAN TO CHINA China, in a bid to impose some sort of national unity on its frontier territory, has decided the whole country should stick to one time zone. This was decided in 1949 and Beijing time (UTC+8) was picked. This creates a 3.5 hour jump when crossing into Afghanistan – where the time is UTC+4.5.

How many unique time zones are there?

24 time zones
The world is divided into 24 time zones. The course of one day is broken down to the seconds and calculated to define the correct time of a particular place. However, it is not that easy. The 24 time zones, created in accordance to each hour of the day, are theoretically drawn vertically like longitudes over the globe.

What are the time differences?

From east to west they are Atlantic Standard Time (AST), Eastern Standard Time (EST), Central Standard Time (CST), Mountain Standard Time (MST), Pacific Standard Time (PST), Alaskan Standard Time (AKST), Hawaii-Aleutian Standard Time (HST), Samoa standard time (UTC-11) and Chamorro Standard Time (UTC+10).

Does Australia have time zones?

Australia is divided into three separate time zones: Australian Eastern Standard Time (AEST), Australian Central Standard Time (ACST), and Australian Western Standard Time (AWST). Australian Western Standard Time (AWST) covers the state of Western Australia.

Why do different time zones have the same minutes but different hours?

The different time zones having the same minutes but different hours is for convenience. The time zones are segmented by distance, at intervals where the time differences are in increments of whole hours.

What is the difference between two values in minutes in 24 hours?

=(end_time-start_time)*1440. In this formula, after deducting start time from end time we have multiplied it by 1440 which is the total number of minutes we have in 24 hours. And when you enter this formula you’ll get the difference between two values in minutes.

How to get time difference in minutes instead of hours?

Get Difference in Minutes. It happens sometimes that you need to track time difference in minutes instead of hours, and in this case, the best way is to use the below formula. = (end_time-start_time)*1440.

Why are the minutes the same everywhere in the world?

To answer your question at facevalue: Time zones as we are used to by definition leave everyone with the same current minute. If everyone is + or – a certain number of hours then the minutes are always the same globally (Though as I said some places will be off by increments of 15 minutes depending on where you are comparing to).