Date Converter in Rise Nepal Rise converts English dates to Nepali Sambat and vice versa. Whenever you want to convert (Bikram Sambat) BS to (Gregorian Date) AD, you can use this tool. It can convert dates of a huge range and is helpful for converting your birth dates, historical Nepali dates, visa dates, anniversary dates, dates in documents, etc. The converting process only takes just a few seconds. You can select the date you want to convert (either BS or AD) and click on convert. Copy the converted data and use it in your official documents and anywhere on the web.