Odoo 19 · Nepali Localization

Every date field speaks Nepali (nepali_datepicker)

Install one module and every date and datetime field in Odoo opens a Bikram Sambat calendar — Devanagari month names, Devanagari digits, the Nepali week. Dates display in B.S. and store as Gregorian. No migration, no configuration.

⬇ Download nepali_datepicker.zip23 KB · 8 files · LGPL-3 · for Odoo 19 🔦 View on GitHub
Pure frontend · zero database changes B.S. 2000–2090 · 91-year table 27,396 conversions verified date · datetime · daterange
Features

What it provides

भ

Devanagari B.S. calendar

Month headers in Nepali (e.g. भदौ २०८३), weekdays in Devanagari (आइत, सोम, मंगल … शनि), and a year view that lists B.S. years in Devanagari digits.

DB

Display B.S., store Gregorian

The database keeps ISO Gregorian dates. The picker converts on display and entry only — no migration, no data at risk.

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Every date field

All date, datetime and daterange fields open the B.S. calendar. The module force-overrides the web client's datetime_picker service.

✓

Verified conversions

A 91-year B.S. table (2000–2090) ships in the module, cross-checked against the reference nepali-date-converter library: 27,396 samples, 0 mismatches.

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Pure frontend

JavaScript, SCSS and OWL templates only. No models, no migrations, no settings to configure — install it and the calendar appears.

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One-command install

Drop the zip into your addons/ path and run odoo -i nepali_datepicker. It works on any database, any company.

In action

The picker in a real Odoo

Screenshots from a running Odoo 19 instance with the module installed: the B.S. date calendar on an invoice's due date, the datetime variant with its time sliders on a purchase order, and the invoices list — where every date column shows Nepali and Gregorian side by side.

Bikram Sambat date picker showing Bhadra 2083 in Devanagari
Date picker — भदौ २०८३ An invoice's due-date field opens the B.S. calendar: Devanagari month and weekdays, the selected day highlighted in red, today marked, and the Clear / Apply footer.
Datetime picker with Bikram Sambat calendar and time sliders
Datetime picker — with time sliders For datetime fields the same popover adds a time-slider panel: pick the B.S. date, then set the hour and minute on the sliders, all in one popover.
Invoices list showing Nepali and Gregorian dates side by side
In the listing — Nepali and Gregorian, side by side In list views every date column shows the B.S. date with its Gregorian twin, e.g. Sep 8 (2083-05-23). The database still stores plain ISO Gregorian dates — the listing just speaks Nepali.
Accuracy

How the conversion works

The B.S. conversion data is a self-contained table embedded in bs_calendar.js: BS_YEAR_MONTH_DAYS (91 years × 12 months) from the open-source nepali-date-converter library, anchored at 13 April 1943 = B.S. day 0. It covers B.S. 2000–2090 (≈ 1943–2133 A.D.) — the range in which the Nepali calendar is in use.

  • Verified against the reference library: 11,436 B.S.→A.D. and 15,960 A.D.→B.S. samples, 0 mismatches.
  • Out-of-range dates fall back to a plain Gregorian display — nothing breaks.
  • All conversion happens client-side; the server and database never see B.S. dates.
Get started

Installation

Download the zip, unzip it into your Odoo addons/ path, and install:

unzip nepali_datepicker.zip -d /path/to/your/odoo/addons/
odoo -d your_database -i nepali_datepicker

Then hard-reload the browser (Cmd/Ctrl-Shift-R) so the new assets are picked up. That's the whole installation — there is nothing else to configure.

Requires Odoo 19. The module targets the Odoo 19 web client; it is not back-ported to earlier series. It installs cleanly on any database and any company.

Put the Nepali calendar in every date field.

Download the module, or browse the source on GitHub.

⬇ Download nepali_datepicker.zipLGPL-3 · for Odoo 19 🔦 View on GitHub