To find traveler tips, maps, more things to do, and other tourist information, go to the Singapore day trip tool.
Toronto, Canada to Singapore is an approximately 25-hour flight. The time zone difference moving from Eastern Standard Time (EST) to Singapore Standard Time (SGT) is 13 hours. Expect a bit warmer temperatures when traveling from Toronto in June; daily highs in Singapore reach 38°C and lows reach 30°C. Wrap up your sightseeing on the 8th (Tue) to allow time to travel to Jakarta.
Source : https://www.inspirock.com/trip/25-days-in-indonesia-and-singapore-itinerary-in-june-aaf45c719-1b8d-4ae5-bb89-f1003b6d2222