Every Sunday
Thursday 1 Jan The first day of January
Monday 26 Jan Lunar New Year's Day
Tuesday 27 Jan The second day of the Lunar New Year
Wednesday 28 Jan The third day of the Lunar New Year
Saturday 4 Apr Ching Ming Festival
Friday 10 Apr Good Friday
Saturday 11 Apr The day following Good Friday
Monday 13 Apr Easter Monday
Friday 1 May Labour Day
Saturday 2 May The Buddha's Birthday
Thursday 28 May Tuen Ng Festival
Wednesday 1 Jul Hong Kong Special Administrative Region Establishment Day
Thursday 1 Oct National Day
Saturday 3 Oct Chinese Mid-Autumn Festival
Monday 26 Oct Chung Yeung Festival
Friday 25 Dec Christmas Day
Saterday 26 Dec The first weekday after Christmas Day
Source: http://www.gov.hk/mobile/en/holiday.htm