Most Forex pair trading hours are 24 hours per day during the week. The market officially opens on Monday morning at 8 am AEST, local time in Sydney, Australia and closes on Friday afternoon at 4pm GMT-5, local time in New York. Check your local time zone.
To find trading hours for a particular instrument > right click on the instrument on Market Watch > Specification > scroll down to Sessions.
Indices CFDs trading hours vary depending on the market you are trading.
Crypto CFDs follows Forex trading hours.