Match officials will closely monitor the situation before announcing a revised time.
The first unofficial test ended in a draw
The two teams go into the second and final undisclosed Test after the opening match in Galle is over.
Both teams will be looking to finish their series with a bang.
Groups
Sri Lanka U19: Dimantha Mahavithana, Dulnith Sigera, Senuja Wekunagoda, Vimath Dinsara (captain), Kavija Gamage, Chamika Heenatigala, Ramiru Perera, Jason Fernando (wicketkeeper), Dimath Abeysinghe, Lathendra Akash, Oshada Manahara, Viran Chamuneg Neshra, Viran Chamudishwaran, Viran Chamudishwaran Ninduwara, Rehan Peiris.
India U19: Lakshya Rajesh Raichandani, Sagar Virk, Kushagra Ojha, Yashbardhan Chauhan (captain), Kush Patel, Manav Krishna (wicketkeeper), Kavya Patel, Jeganathan Hemchudeshan, BK Kishore, Priyanshu Singh, Pranav Ragavendra, Rohit Saudahan, Rohit Saudahan