Academic Calendar/9*5 weeks

**Nine 5-week blocks**: terms or trimesters (Northern hemisphere)
Period	Weeks	Term / Break	Period	Weeks	Trimester	Period	Weeks	Semester
W37/W41	5W	term 1	W37/W51	15W	Fall trimester	W37/W06	17/18W	Winter semester
W42/W46	5W	term 2
W47/W51	5W	term 3
W52/W01	2/3W	Christmas holiday
W02/W06	5W	term 4	W02/W16	15W	Spring trimester
W07/W11	5W	term 5				W07/W11	5W	Spring break
W12/W16	5W	term 6				W37/W06	17W	Summer semester
W17/W18	2W	Spring holiday
W19/W23	5W	term 7	W19/W23	15W	Summer trimester
W24/W28	5W	term 8
W29/W33	5W	term 9
W34/W36	3W	Summer holiday