Usages of tiga puluh
Karena hujan, kami menunda latihan selama tiga puluh menit.
Because of the rain, we postponed practice for thirty minutes.
Kami menunggu tiga puluh menit di peron.
We wait for thirty minutes on the platform.
Kami menunggu tiga puluh menit; malah rapat dibatalkan.
We waited for thirty minutes; instead the meeting was canceled.
Elon.io is an online learning platform
We have an entire course teaching Indonesian grammar and vocabulary.