21 / 29 york university [hg78]: week 1: monday 18th ? friday 22nd september 2017 week 2: monday 23rd ? friday 27th october 2017 york university [hg77]: week 1: monday 13th ? friday 17th february 2017 week 2: monday 20th ? friday 24th march 2017 york university [hg76]: week 1: monday 19th ? friday 23rd september 2016 week 2: monday 24th ? friday 28th october 2016 what our