syntech_nepali_calendar 1.0.2

A Dart library for handling Nepali calendar dates, conversions, and formatting.

Syntech Nepali Calendar

A utility package for Nepali calendar operations in Flutter.
This package provides various functionalities for handling Nepali dates, including conversions, formatting, and more.

Features

• Fixing of Nepali (Bikram Sambat) dates.
• Adding English date with the Nepali date to know about both the dates.
• Fixing of error in the date range picker.
• Convert between Nepali (Bikram Sambat) and English (AD) dates.
• Format Nepali dates in different styles.
• Perform date arithmetic (add/subtract days, months, years).
• Support for Material and Cupertino-style date pickers.

Installation

Add this dependency to your pubspec.yaml:

dependencies:
  syntech_nepali_calendar: ^0.0.1

Then run:

flutter pub get

Usage

Material Style Date Picker

import 'package:nepali_date_picker/nepali_date_picker.dart' as picker;

NepaliDateTime _selectedDateTime = await picker.showMaterialDatePicker(
    context: context,
    initialDate: NepaliDateTime.now(),
    firstDate: NepaliDateTime(2000),
    lastDate: NepaliDateTime(2090),
    initialDatePickerMode: DatePickerMode.day,
);

print(_selectedDateTime); 

Cupertino Style Date Picker

picker.showCupertinoDatePicker(
    context: context,
    initialDate: NepaliDateTime.now(),
    firstDate: NepaliDateTime(2000),
    lastDate: NepaliDateTime(2090),
    language: _language,
    dateOrder: _dateOrder,
    onDateChanged: (newDate) {
        print(_selectedDateTime);
    },
);

Adaptive Date Picker

Shows DatePicker based on Platform. i.e. Cupertino DatePicker will be shown on iOS while Material on Android and Fuchsia.

NepaliDateTime _selectedDateTime = await picker.showAdaptiveDatePicker(
    context: context,
    initialDate: NepaliDateTime.now(),
    firstDate: NepaliDateTime(2000),
    lastDate: NepaliDateTime(2090),
    language: _language,
    dateOrder: _dateOrder, 
    initialDatePickerMode: DatePickerMode.day, 
);

Calender Picker

Shows Calendar, can be used for showing events.

NepaliCalendarDatePicker(
    initialDate: NepaliDateTime.now(),
    firstDate: NepaliDateTime(2070),
    lastDate: NepaliDateTime(2090),
    onDateChanged: (date) => _selectedDate.value = date,
    dayBuilder: (dayToBuild) { 
      return Center(
                child: Text(
                    '${dayToBuild.day}',
                    style: Theme.of(context).textTheme.caption,
               ),
          ),
      },
     selectedDayDecoration: BoxDecoration(
                color: Theme.of(context).primaryColor,
                shape: BoxShape.rectangle,
                borderRadius: BorderRadius.circular(8),
              ),
              todayDecoration: BoxDecoration(
                color: Colors.grey.shade200,
                shape: BoxShape.rectangle,
                borderRadius: BorderRadius.circular(8),
                border: Border.all(
                  color: Colors.purple,
                  width: 1,
                ),
              ),
);

Example Project

An example project is included in the example/ directory to demonstrate the usage of this package.

Credits

This package is inspired by and includes functionality from the following open-source projects:

• nepali_date_picker by Sarbagya Yadab
• nepali_utils by Sarbagya Yadab

A huge thanks to them for their contributions to the Flutter community!

License

BSD 3-Clause License

Copyright 2025 Nabin Gurung and Ghan Bahadur Pun.

This package includes code from the nepali_date_picker and nepali_utils packages, which are licensed under the MIT License.

Full License: https://github.com/sarbagyastha/nepali_date_picker/blob/master/LICENSE
Full License: https://github.com/sarbagyastha/nepali_utils/blob/master/LICENSE