Public/General Holidays, 17 days

The day following the first day of January 2 January 2017 Monday
Lunar New Year’s Day 28 January 2017 Saturday
The third day of Lunar New Year 30 January 2017 Monday
The fourth day of Lunar New Year 31 January 2017 Tuesday
Ching Ming Festival 4 April 2017 Tuesday
Good Friday 14 April 2017 Friday
The day following Good Friday 15 April 2017 Saturday
Easter Monday 17 April 2017 Monday
Labour Day 1 May 2017 Monday
The Birthday of the Buddha 3 May 2017 Wednesday
Tuen Ng Festival 30 May 2017 Tuesday
Hong Kong Special Administrative Region Establishment Day 1 July 2017 Saturday
The day following National Day 2 October 2017 Monday
The day following the Chinese Mid-Autumn Festival 5 October 2017 Thursday
Chung Yeung Festival 28 October 2017 Saturday
Christmas Day 25 December 2017 Monday
The first weekday after Christmas Day 26 December 2017 Tuesday


Public/General Holidays, 12 days

The day following the first day of January 2 January 2017 Monday
Lunar New Year’s Day 28 January 2017 Saturday
The third day of Lunar New Year 30 January 2017 Monday
The fourth day of Lunar New Year 31 January 2017 Tuesday
Ching Ming Festival 4 April 2017 Tuesday
Labour Day 1 May 2017 Monday
Tuen Ng Festival 30 May 2017 Tuesday
Hong Kong Special Administrative Region Establishment Day 1 July 2017 Saturday
The day following National Day 2 October 2017 Monday
The day following the Chinese Mid-Autumn Festival 5 October 2017 Thursday
Chung Yeung Festival 28 October 2017 Saturday
Christmas Day 25 December 2017 Monday

Reference:

Announcements from GovHK:
http://www.gov.hk/en/about/abouthk/holiday/