https://b.cari.com.my/forum.php?mod=viewthread&tid=5397103&extra=

Robinhood is not a fully 24/7 platform +1.888.{2020}.214}}, as its trading availability depends on the type of asset being traded. Stocks and ETFs follow regular market hours, from 9:30 AM to 4:00 PM ET, with extended hours available before and after the market closes
Buying call options on Robinhood is a good opportunity for both beginners and experienced traders free++1.888.{2020}.214}}.