Upcoming Festival &
Celestial Events

Ram Navami

Chaitra Shukla Navami · India (observe)

Ninth tithi of the bright fortnight in Chaitra. Valmiki's Ramayana specifies five planets in exaltation at Rama's birth (verified to 5114 BCE). The astronomical conditions described are most closely matched on Ram Navami in Chaitra each year.

Akshaya Tritiya

Vaishakha Shukla Tritiya · India (observe)

One of the rarest astronomical events: both Sun (in Aries/exalted) and Moon (in Taurus/exalted) are simultaneously in their exaltation signs. Called "Akshaya" (inexhaustible) — maximum luminous energy from both primary celestial bodies.

Buddha Purnima

Vaishakha Purnima · Global (observe)

Full moon in Vaishakha — Moon near Vishakha nakshatra. The Buddhist tradition records Buddha's birth (563 BCE), enlightenment (528 BCE), and death (483 BCE) all on this same astronomical event. Probability of three coincidences: approximately 1 in 40,000.

Guru Purnima

Ashadha Purnima · India (observe)

Full moon in Ashadha month — Moon in Uttara Ashadha or Shravana nakshatra. By tradition, the full moon nearest Jupiter's direct motion after retrograde. In 2025, Jupiter is in Gemini completing its retrograde cycle. Historically coincided with the clearing of monsoon clouds, making Jupiter fully visible.

Raksha Bandhan

Shravana Purnima · India (observe)

Full moon in Shravana nakshatra (Altair, α Aquilae). Pleiades (Krittika) rise in the east at sunset — a star cluster associated with divine protection in Vedic tradition. The Pleiades were the original reference point for the Vedic calendar and carry deep astronomical significance.

Janmashtami

Bhadrapada Krishna Ashtami · India (observe)

8th tithi of the waning fortnight in Bhadrapada, Rohini nakshatra. Krishna's birth is described in the Bhagavata Purana with the Moon in Rohini — the Moon's most exalted nakshatra (β Tauri region). The Rohini full moon represents maximum lunar fertility and prosperity in Vedic astronomy.

Mahalaya Amavasya

Ashwin Amavasya · India (observe)

New moon in Ashwin — the end of Pitru Paksha (fortnight of ancestors). Sun in Virgo, moving toward autumn equinox. This new moon begins the 15-day dark period for ancestral rites, ending with the equinox energy shift of Navratri.

Navratri begins

Ashwin Shukla Pratipada · S. America (eclipse)

Nine nights of waxing Moon in Ashwin. Moon traverses 9 nakshatras in 9 days (~13°/day × 9 = 117°). Each night corresponds to one of the 9 forms of Devi (Navadurga) as the Moon crosses specific nakshatras. Annular solar eclipse visible from South America coincides with this first day.

Diwali

Kartika Amavasya · India (observe)

New moon in Kartika — the deepest astronomical darkness of the year. Moon-Sun separation < 12°. Moon sets within 1 hour of sunset. The festival of lights is placed on the darkest night of the darkest month after the autumn equinox. Maximum contrast between light and darkness.

Makar Sankranti

Sun enters Capricorn (sidereal) · India (observe)

The only Hindu festival fixed to sidereal solar transit rather than lunar calendar. Sun enters Makara Rashi (Capricorn) — sidereal longitude 270°. Marks Uttarayana — the northward journey of the Sun begins. Due to precession (Ayanamsha ≈ 24°), this now falls on January 14 rather than the actual solstice (December 21).

Maha Shivratri

Magha Krishna Chaturdashi · India (observe)

14th tithi (Chaturdashi) of the waning fortnight in Magha. Moon-Sun separation: 168°–174°. Near-minimum lunar light. The observation is traditionally at 3 AM when tidal effects on human biology are minimal — the "still point" of the lunar cycle. Maximum cosmic quietude.