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Pewarisgroup App

Calculate weton, check compatibility, and find auspicious dates — all offline.

Complete offline Javanese primbon: Petung Jodoh, Saptawara, Pancawara, and Wuku right on your device. No internet, no data collection.

What you can do

Complete — from weton to wuku.

Six tools for anyone looking to study Javanese primbon — from a simple weton calculation to picking a wedding date.

Weton & Watak

Enter a birthdate to get the day, pasaran, neptu, and combined character reading. Save as "My Weton" for quick access.

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Compatibility (Cek Jodoh)

Traditional Petung Jodoh across 8 categories: Pegat, Ratu, Jodoh, Topo, Tinari, Padu, Sujanan, Pesthi — with interpretation and advice.

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Auspicious Days

Find days considered favourable for marriage, moving home, opening a business, travel, or circumcision. Results sorted by score.

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Javanese Calendar

Monthly calendar with color dots for each pasaran (Legi, Pahing, Pon, Wage, Kliwon). Easy to read at a glance.

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30 Wuku

Study the cycle of 30 Javanese wuku — their gods, trees, and characters. The current wuku is shown at the top.

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Neptu Reference

Complete neptu reference tables for days (saptawara) and pasaran (pancawara), plus worked examples to help you learn the math.

Privacy as a principle

Your data stays on your device.

We don't believe a primbon app needs to send anything to a server. That's how we built it.

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Fully offline

All calculations happen on your device. The app keeps working without internet.

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No accounts

No login, no signup, no phone number requested.

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No tracking SDKs

No ad tracking SDKs, no behavioural data collection for resale.

Ready to try?

Free download — calculate your weton in 30 seconds.

Get it on Google Play