Indian Standard Time (IST) is based on the 82°30′ East longitude, which passes through Mirzapur in Uttar Pradesh. This topic explains the concept of Standard Time, time zones and their importance in Indian Geography.
Which, among the following places, will have maximum day length in the month of June?
Correct Answer:
(D)
Delhi
The length of days in northern hemisphere, start increasing after the sun is moving north of equator. On 21 June (summer solstice) the sun is directly overhead at the tropic of cancer and north pole is tilted towards the sun and therefore the northern hemisphere has days ranging from just over 12 hours around the tropic of cancer to 24 hours in Arctic Circle. Delhi is most appropriate answer as it most northerly (from tropic of cancer) given option.
Ques: 2
How many hours of time difference will be there between the most western village of Gujrat and the most eastern village of Arunachal Pradesh, Walong?
Correct Answer:
(B) 2 hours
The state of Gujarat is situated on the west coast of India between 68º 4' east and 74º 4' East longitudes and Arunachal Pradesh is located between 91° 30' East and 97° 30' East longitudes. Thus, the longitudinal difference between western village of Gujarat and eastern village of Arunachal Pradesh is 97º30' – 68º4' = 29º26'. As we know from one longitude to next longitude the difference is of 4 minutes, thus 29º26' × 4 = Approximately 118 minutes (approx. 2 hours) difference.
Ques: 3
Consider the following statements:
Longitude of Jabalpur's location is between those of Indore and Bhopal.
Latitude of Aurangabad's location is between those of Vadodara and Pune.
Bengaluru is situated more southward than Chennai.
Which of the above statements is/are correct?
Correct Answer:
(C) 2 and 3
Latitudinal and longitudinal positions of the locations (districts) as per "Census of India - 2011" given below:
Jabalpur - 22°49' N to 24°08'N;
79º 21' E to 80º 58' E
Statement (1) - Longitude of Jabalpur's location is not between those of Indore and Bhopal.
Statement (2) - Latitude of Aurangabad's is between those of Vadodara and Pune.
Statement (3) - Bengaluru is situated more southward than Chennai.
Indore
-
22°20' N to 23º 05' N;
75º 26' E to 76º 14' E
Bhopal
-
23º 04' N to 23º53' N;
77º12' E to 77º 40' E
Aurangabad
-
19°18' N to 20º 40' N;
74°34' E to 76º 04' E
Vadodara
-
21°50' N to 22º 50' N;
72º 50' E to 74º 10' E
Pune
-
17°54' N to 19º 24' N;
73°19' E to 75º 10' E
Bengaluru
-
12° 39' N to 13º 14' N;
77º 19' E to 77º 50' E
Chennai
-
12°54' N to 13º 54' N;
80°7' E to 80º 11' E
Explanation according to given facts -
Ques: 4
Which of the following cities is closest to IST (Indian Standard Time) meridian?
Correct Answer:
(A) Rewa
Indian standard time (IST) is 5:30 hours (5 hours 30 minutes) ahead of Greenwich Mean Time (GMT). The Standard Time of India is calculated on 82o30' East longitude. It passes through Mirzapur district in Uttar Pradesh. The location of above cities with regard to their closeness to IST meridian is:
Thus, it is clear that Rewa is closest to the IST meridian.
Rewa
- 81º 02' E to 82º 20' E
Sagar
- 78º 04' E to 78º 20' E
Ujjain
-
75º 00' E to 76º 30'E
Hoshangabad
-
76º 47' E to 78º 44' E
Ques: 5
The Indian Standard Time Meridian does not pass through?
Correct Answer:
(C) Maharashtra
The Indian Standard Time Meridian 82 and half degree East passes through Uttar Pradesh, Madhya Pradesh, Chhattisgarh, Odisha and Andhra Pradesh. It does not pass through Telangana also.
Ques: 6
Standard Indian Time (Meridian Longitude 82° 30') passes through which of the following towns?
Correct Answer:
(D)
Mirzapur
Indian Standard Time is calculated on the basis of 82° 30' E longitude. This Meridian passes through Mirzapur district (Near Allahabad) in the state of Uttar Pradesh. It also passes through Jagdalpur of Chhattisgarh. The Indian Standard Time is ahead of Greenwich Mean Time by 5 hours and 30 minutes.
Ques: 7
If the Sun rises at TIRAP in Arunachal Pradesh at 5.00 am (IST) then what time (IST) will the Sun rise in Kandla in Gujarat?
Correct Answer:
(C) About 7.00 a.m.
There is a difference of about 2 hours between Kandla (Gujarat) and Tirap (Arunachal Pradesh) due to the longitudinal position of both the cities. Thus, if the Sun rises at Tirap (95° 32') in Arunachal Pradesh at 5:00 am (IST) then the Sun will rise at 7:00 am in Kandla (70° 11').