Usages of buka
Toko buka hingga pukul sembilan malam; datanglah lebih dahulu.
The shop is open until nine p.m.; please come a bit earlier.
Perpustakaan buka setiap pagi.
The library is open every morning.
Kami datang lebih awal, malah perpustakaan belum buka.
We arrived early, but the library was not yet open.
Elon.io is an online learning platform
We have an entire course teaching Indonesian grammar and vocabulary.