Assu
Assū (Shahmukhi: ; Gurmukhi: , ) is the seventh month of the Punjabi calendar, as well as the Nanakshahi calendar, which governs the Sikh tradition. This month coincides with Ashvin in the Hindu calendar and the Indian national calendar, and September and October in the Gregorian and Julian calendars and is 30 days long. Important events during this month

September
September 15 (1 Assu) - The start of the month Assu 
September 16 (2 Assu) - Joti Jot of Guru Amar Das Ji 
September 16 (2 Assu) - Gur Gadi of Guru Ram Das Ji
September 16 (2 Assu) - Joti Jot of Guru Ram Das Ji
September 16 (2 Assu) - Gur Gadi of Guru Arjan Dev Ji
September 18 (4 Assu) - Gur Gadi of Guru Angad Dev Ji 
September 22 (8 Assu) - Joti Jot of Guru Nanak Dev Ji

October

October 9 (25 Assu) -  Birth of Guru Ram Das Ji
October 15 (1 Katak) -  The end of the month Assu and the start of Katak

