Timings of ICPC onsite regional contests

What are the exact timings for the ACM ICPC onsite regional contests, both the practice and the main contest for all the three sites. Please share an official source if possible.

Amritapuri -
Online practice rounds - Last week November.
Onsite practice session - 15th December, 2.30 to 4 PM.
Onsite contest - 16th December, 9 to 2 PM.
Source - icpc.amrita.ac.in

Gwalior -
No announcement regarding practice rounds yet.
Onsite contest - 21st December, 9 to 2 PM.
Source - www.icpcgwalior.org/Prelimresult.pdf

Kharagpur -
Practice round - 6th December.
Onsite contest - 7th December.
Source - acm.iitkgp.ac.in/