explain the major reasons for the 2 hour time difference in local time between arunachal and gujarat​

Answer:

There are 30 longitude between Arunachal Pradesh and Gujarat

*The sun take 4 min to cover one longitude

*Therefore between Arunachal Pradesh and Gujarat there is a time difference of 2 hours

Hope it helps

This causes a time lag of two hours from Gujarat to Arunachal Pradesh to avoid confusion and to have a standard time for reference, The 82.30'Eastern Longitude has been taken as the standard time for the whole country. ... The sun rises two hours earlier in Arunachal Pradesh as compared to Gujarat.