Local hospitality includes for eight nights from 12 noon of the 6th of October 2018 to 12 noon of October 14th. During this period Breakfast, lunch, supper and tea/coffee breaks are included. The other individual expenses should be borne by the participants.

Accommodation for all participants: Pegasus Reef Hotel

Opening Ceremony

The opening ceremony of the 23rd International Astronomy Olympiad will be held at the Banquet Hall of the Eagles Lakeside Hotel. The official opening of the 23rd International Astronomy Olympiad will be declared by His Excellency Maithripala Sirisena, President of the Democratic Socialist Republic of Sri Lanka.

All participants hereby informed to wear your National Dress or a respectful, formal dress and formal shoes for the Opening ceremony. Sandals, flip-flops, and T-shirts will not be allowed.

Observation site

Moratuwa University Ground & ACCIMT will be used as the observation site.


  • 2600 years old Ancient City of Anuradhapura
    • Jaya Sri Maha Bodiya
    • Ruwanwelisaya
    • Jethawanaramaya
    • Abhayagiriya
    • Kuttam Pokuna
    • Isurumuniya
    • Ancient irrigation system
  • Ratnapura the city of gems
    • Visit to a Tea estate
    • Gem pit
    • Gem Museum
  • Colombo City Tour
    • Souvenir shops: Laksala and Lakpahana
    • General shopping: Odel Department Store
    • Sightseen near Parliament of Sri Lanka
    • Gangaram Temple
    • University of Colombo
  • Sri Lanka Planetarium
  • Boat tour – Madu Ganga