What Is Panchanga? Understanding the Five Elements of the Hindu Calendar

Panchanga (पञ्चाङ्ग) literally means "five limbs" — five pieces of astronomical information that, together, describe any given day in the Hindu calendar. Open a printed Panchang almanac, a temple noticeboard, or a Hindu calendar app, and you'll find all five listed for today: Tithi, Nakshatra, Yoga, Karana, and Vara.

None of these is arbitrary. Each is derived from the real positions of the Sun and Moon, calculated the same way they have been for over two thousand years — only the tools for computing them have changed.

1. Tithi — the lunar day

A Tithi is defined by the angular distance between the Moon and the Sun: every time that gap grows by 12°, a new Tithi begins. Since the Moon doesn't move at a perfectly constant speed, a Tithi can last anywhere from about 19 to 26 hours — which is why Tithis don't line up neatly with 24-hour calendar days. There are 30 Tithis in a lunar month, 15 in the waxing fortnight (Shukla Paksha) and 15 in the waning fortnight (Krishna Paksha). See the full Tithi reference, today's Tithi, or read more: What Is Tithi?

2. Nakshatra — the lunar mansion

The sky along the Moon's path is divided into 27 segments called Nakshatras (lunar mansions), each about 13°20' wide. On any given day, the Moon sits in one of these 27 segments — that's the day's Nakshatra. Nakshatras are used heavily in naming conventions (a person's Nakshatra at birth) and in choosing auspicious timing (Muhurta). See Nakshatra for the full list, or our complete Nakshatra guide.

3. Yoga — a combined Sun-Moon measure

Yoga is calculated from the combined longitudes of the Sun and Moon, divided into 27 segments (similarly to Nakshatra, but measuring a different combined quantity). Certain Yogas are considered favourable for specific activities, others best avoided — this is one of the inputs used when calculating Muhurta. See the full Yoga reference for all 27 names.

4. Karana — half a Tithi

Each Tithi is split into two Karanas, so there are 60 Karana occurrences in a lunar month built from 11 repeating names. Karana is used alongside Tithi for finer-grained auspicious-timing calculations. See the full Karana reference for all 11 names.

5. Vara — the weekday

The simplest of the five: the seven-day week, each day ruled by a Graha (planetary body) — Sunday by the Sun, Monday by the Moon, and so on. This is the one element of the Panchanga that lines up exactly with the familiar Gregorian week.

Why the Panchanga matters

Together, these five elements determine when festivals fall, when Ekadashi and other fasting days occur, and what times are considered auspicious (Muhurta) for weddings, house-warmings, and other significant events. Every date on our Hindu Calendar 2027 and Hindu Festivals 2027 pages is ultimately a Panchanga calculation.

See it live

You can see all five elements calculated for today on our live Panchanga page, or explore the full Panchanga section for a deeper breakdown of each element.

Where the Panchanga tradition comes from

The core astronomical observations behind the Panchanga trace back to the Vedic period, with systematic treatises like the Surya Siddhanta (whose surviving form dates to roughly the 4th–5th century CE, though it draws on much older material) formalising the mathematics of Sun and Moon positions used to calculate these five elements. The word Panchanga itself has been used to describe published almanacs in India for many centuries, evolving from hand-calculated manuscripts to today's computer-generated versions — the underlying astronomical principles, however, haven't changed.

How people actually use a Panchang day to day

A traditional printed or digital Panchang typically opens to the current date and shows all five elements at a glance, often alongside sunrise/sunset times and any notable festival or fasting day. Priests use it to schedule rituals at astronomically appropriate times; families consult it for auspicious timing (Muhurta) before weddings, house-warmings, or starting a new venture; and many households simply check it the way others might check a regular calendar, to know what day it is in the Hindu system alongside the Gregorian one. See our How to Read a Sanskrit Calendar guide for a walkthrough of a typical printed calendar page, or our Muhurta guide for how these five elements feed into auspicious-timing selection specifically.

Panchanga in a single sentence

If you remember nothing else: the Panchanga is simply five different ways of describing where the Sun and Moon are right now, each answering a slightly different calendar question — Tithi (what lunar day), Nakshatra (which lunar mansion), Yoga (what combined solar-lunar angle), Karana (which half-Tithi), and Vara (which weekday) — and together, these five answers are everything a complete Hindu calendar date consists of.