| 17 January | Thai and SE Asian Studies Semester 2 Begins |
| 18 February | Payap closed (Makha Bucha Day) |
| 28 February - 12 March | Final examinations |
| 14-27 March | Semester break |
| 23-27 March | Registration |
| 28 March | Summer Session Begins |
| 11-17 April | Songkran Festival (holiday week) |
| 25-27 April | Mid-term examinations |
| 5 May | Payap closed (Coronation Day) |
| 13 May | Payap closed (Royal Ploughing Ceremony Day) |
| 16 May | Payap closed (additional Royal Ploughing Ceremony Day) |
| 17 May | Payap closed (Visakha Bucha Day) |
| 18-21 May | Final examinations |
| 20 May | Thai and SE Asian Studies Semester 2 Ends |
| 22 May - 5 June | Semester break |
| 30 May - 5 June | Registration |
| 6 June | Semester 1, academic year 2011-2012, begins |
| 15 July | Payap closed (Asarnha Bucha Day) |
| 18 July | Payap closed (beginning of Buddhist Lent) |
| 25-30 July | Mid-term examinations |
| 12 August | Payap closed (HM the Queen's Birthday) |
| 26 September - 8 October | Final examinations |
| 9-24 October | Semester break |
| 17-24 October | Registration |
| 23 October | Payap closed (Chulalongkorn Day) |
| 25 October | Semester 2, academic year 2011-2012, begins |
| 5 December | Payap closed (HM the King's Birthday) |
| 12 December | Payap closed (Constitution Day) |
| 13-17 December | Mid-term examinations |
| 19 December - 3 January | Christmas & New Year Vacation |
