I heard that in Okinawa, events are based on the lunar calendar.
I heard that in Okinawa, events are based on the old calendar.
沖縄では旧暦にしたがって年中行事が行われると聞いた
I heard that in Okinawa, events are based on the lunar calendar.
I heard that in Okinawa, events are based on the old calendar.
旧暦=lunar calender / old calenderです。