Date Converter
Convert between Bikram Sambat (BS) and Gregorian Calendar (AD)
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Nepali Date Converter – BS to AD & AD to BS | Complete Online Converter Guide
The Nepali Date Converter – BS to AD & AD to BS is a powerful tool that helps convert dates between the Bikram Sambat (BS) and the Gregorian calendar (AD) instantly. Nepal officially uses the Bikram Sambat calendar, which is around 56 years and 8 months ahead of the AD calendar. Due to this difference, converting dates manually is confusing and time-consuming. Online converters solve this problem by offering accurate, real-time date conversion with just a few clicks.
This article explains what BS & AD are, how the Nepali Date Converter works, key features, benefits, real-life usage examples, and instructions for BS to AD and AD to BS conversion.

What Is the Bikram Sambat (BS) Calendar?
Bikram Sambat (BS) is the official calendar of Nepal, used in government documentation, newspapers, academic calendars, police and army records, and daily planning. The Bikram Sambat calendar began in 57 BC and follows a lunar-solar cycle, which makes month durations variable.
Key facts about BS calendar
| Factor | Details |
|---|---|
| Started in | 57 BC |
| Time difference with AD | 56 years, 8 months approx |
| Number of months | 12 |
| Months variation | 29–32 days |
| Used in | Nepal (official calendar), parts of India |
Example difference:
- 1st Baisakh 2081 BS = April 14, 2024 AD
What Is the Gregorian Calendar (AD)?
AD refers to Anno Domini, the internationally recognized calendar system. It is used for global communication, international travel, passports, visas, technology, finance, and most modern applications.
Key facts about the AD calendar
| Feature | Details |
|---|---|
| Used worldwide | Yes |
| Fixed month length | 28–31 days |
| Leap year | February becomes 29 days every 4 years |
| Starting point | Based on the birth year of Jesus Christ |
Why Is Nepali Date Conversion Needed?
Nepal uses BS for internal systems while the modern digital world uses AD. So converting dates becomes essential in many real-life situations.
Common examples
- Filling online forms written in AD format
- Checking passport, visa, citizenship and birth certificate dates
- Understanding nepali festival dates on AD calendar
- Converting academic certificates
- Online exam applications
- Health & vaccination record conversion
- Historical record research
How Does the Nepali Date Converter Work?
A Date Converter calculates the difference between BS and AD using official Nepali calendar datasets. The script reads month-wise day lengths, adjusts leap months and returns the exact converted date.
Two main conversion options
| Conversion Type | Description |
|---|---|
| BS to AD | Converts Nepali date into English date |
| AD to BS | Converts English date into Nepali date |
BS to AD Conversion Example
| BS Date | Converted AD Date |
|---|---|
| 1st Baisakh 2081 | April 14, 2024 |
| 15th Kartik 2080 | November 1, 2023 |
How to Convert BS to AD Using Online Converter
- Select BS to AD tab
- Choose Year, Month, and Day
- Click Convert
- Result appears instantly with Day & Month Name
AD to BS Conversion Example
| AD Date | Converted BS Date |
|---|---|
| January 1, 2024 | Poush 17, 2080 |
| June 10, 2025 | Jestha 27, 2082 |
How to Convert AD to BS
- Select AD to BS tab
- Choose AD year, month, and date
- Click Convert to B.S.
- BS date with Nepali month name appears
Features of the Nepali Date Converter
- ✔ Instant & accurate conversion
- ✔ Converts both BS → AD and AD → BS
- ✔ Easy dropdown input system
- ✔ Day of the week display
- ✔ Mobile responsive layout
- ✔ Works without API or database
- ✔ Helpful for students, job seekers & digital forms
Nepali Months Name List (BS Calendar)
| Month (BS) | English Equivalent |
|---|---|
| Baisakh | April–May |
| Jestha | May–June |
| Ashadh | June–July |
| Shrawan | July–August |
| Bhadra | August–September |
| Ashwin | September–October |
| Kartik | October–November |
| Mangsir | November–December |
| Poush | December–January |
| Magh | January–February |
| Falgun | February–March |
| Chaitra | March–April |
Who Should Use Nepali Date Converter?
| User Type | Purpose |
|---|---|
| Students | Exam forms, documents |
| Government employees | Letter & report date conversion |
| Researchers | Historical data |
| IT / developers | Calendar integration |
| Passport / visa applicants | Document matching |
| Nepali citizens abroad | Local & international dates |
Benefits of Online Nepali Date Converter
- Time saving
- Zero calculation error
- No manual tables required
- Friendly UI & easy controls
- Accurate conversion for modern range
Conclusion
The Nepali Date Converter – BS to AD & AD to BS is an essential digital tool for Nepali users. It removes confusion caused by two different calendar systems and allows instant conversion for documentation, education, travel, government forms, and everyday usage. With simple dropdown inputs and accurate logic, users can convert any date within seconds.
If you frequently work with Nepali and English dates, this converter becomes extremely valuable and reliable.