Local Time and Standard Time

Ghatikapaatra was a device used to measure time in the olden times.

The period from sunset to the next sunrise is called ___________.

The sun rises in the __________ .

The time of a place as decided by the location of the sun in the sky, is known as its _____________.

When it is noon at Mumbai, it wouldn't be the same at Kolkata.

The local time of a place can be calculated with reference to the time at the Prime Meridian.

A.M stands for _____________

Longitudes lying to the west of any longitudes are ahead of the time.

The world has been divided into ________ time zones.

Greenwich Mean Time in _____________ is considered to be the international standard time.