Shukra Ast / Shukra Maudhya (Venus Combust)

Shukra Ast (Shukra Maudhya) is the period when Venus comes so close to the Sun that it becomes invisible to the naked eye for a while. The astronomical cause is the Venus-Sun angular separation falling within a certain limit — in practice, this happens because Venus passes into conjunction with the Sun. This happens an irregular number of times a year — the exact dates differ every year; within one ~584-day cycle, there's one short combustion (~10-12 days) and one long combustion (~40-50 days). In 2026: 16 October to 27 October. By traditional belief, auspicious ceremonies such as marriage are avoided during this period — just like Guru Ast.

Shukra Vakri (retrograde) is not the same as Shukra Ast. Retrograde (a change in apparent direction) and combustion (disappearing near the Sun) are different events that merely happen to fall close together in time. In 2026, Venus retrograde begins on 3 October — but combustion only begins on 16 October. Don't treat 3 October as "when Shukra Ast began."

Significance

Word meaning: Ast = setting/disappearing; Maudhya = dimming/becoming dulled — Venus's astrological strength is believed to temporarily weaken.

Venus appears in two roles — as the morning star in the east before sunrise, or as the evening star in the west after sunset — visible for a maximum of about 3 hours. The transition point between these two roles is the moment of combustion.

Venus's own orbital period is about 224 days, but its synodic period relative to the Sun is about 584 days. Within this cycle, Venus passes close to the Sun twice — once between Earth and the Sun (inferior conjunction, fast, a short combustion period) and once beyond the Sun (superior conjunction, slow, a long combustion period).

In astrology, Venus is regarded as the karaka (significator) planet for beauty, love, marriage, and prosperity; while it's combust (weakened), auspicious ceremonies such as marriage are traditionally believed not to receive full auspicious benefit — so many families avoid fixing marriage muhurats during this period.

A concrete 2026 example: Vasant Panchami 2026 (Magh Shukla Panchami, 23 January) falls within the previous long combustion period (which began in December 2025) — that combustion period ends on 30 January with "Shukra Darshan." This is why many panchangs/media outlets noted "there's no marriage muhurat on Vasant Panchami this year."

Another 2026 observation: the October Shukra Ast period (16-27 October) falls entirely within Chaturmas — Chaturmas runs from 25 July (Devshayani Ashadhi Ekadashi) to 20 November (Prabodhini Ekadashi), a period already considered inauspicious for ceremonies in general. So in 2026, Shukra Ast doesn't independently create new "no-muhurat" days — it falls within a window that was already closed. This won't necessarily overlap in other years.

Guru Ast falls at a different time (roughly mid-July to mid-August in 2026) — so in 2026, Guru Ast and Shukra Ast don't appear to overlap.

Who this applies to

This is a universal calendar consideration (not a personal vrat) — every family, priest, and astrologer deciding on marriage/muhurat timing keeps this in mind.

What to avoid vs. what continues

Ceremonies avoided (marriage chiefly): marriage, engagement/betrothal. In some traditions, other ceremonies such as griha pravesh or thread ceremonies are avoided too.

What continues/is unaffected during this period: daily puja, regular worship, and celebrating festivals aren't restricted by Shukra Ast — this consideration applies only when choosing a muhurat for a new auspicious beginning/ceremony.

Regional customs

The Shukra/Guru Ast muhurat rule is widely observed across India; it's mainstream in Maharashtra too.

Strictness varies by tradition/family — some communities observe this rule more strictly, while others may be more relaxed about it.

Date (2026)

The duration is about 11 days. Some panchang tools (e.g. a Vijayawada reference) show a one-day difference (16-28 October) — expected due to city/method differences.

Reference points shown separately to avoid confusion (these are NOT combustion)

The previous long combustion period began in December 2025 and ended on 30 January 2026 (marked by Shukra Darshan).

The date from 2027 onward must be freshly checked against the panchang each year — this isn't a fixed annual event like "it always falls around October."

Good to know

• The next combustion of the same type (short or long) returns roughly 584 days later — but the other type can fall in between; check that year's panchang for the exact date.
• When planning a wedding, check Shukra Ast alongside other no-muhurat windows like Chaturmas and Guru Ast, not in isolation — in some years these overlap.

FAQ

What is Shukra Ast?

The period when Venus comes so close to the Sun that it becomes invisible to the naked eye for a while; in astrology, this is called "Ast"/"Maudhya."

Why does Shukra Ast happen?

Venus disappears due to its orbital position relative to the Sun (inferior/superior conjunction) and the Sun's brightness — its synodic period is about 584 days.

What's the difference between Shukra Ast and Shukra Vakri (retrograde)?

Vakri is the apparent backward motion in the sky (a change in direction); Ast is disappearing near the Sun. The two happen close together in time but are different events — in 2026, retrograde begins 3 October, combustion begins 16 October.

When is Shukra Ast in 2026?

16 October to 27 October 2026 (about 11 days).

Why don't people marry during Shukra Ast?

Venus, the karaka planet for marriage and beauty, is regarded as weakened while combust — marriages during this period are traditionally believed not to receive full auspicious benefit.

What should be avoided during Shukra Ast?

Chiefly marriage/engagement; some also avoid other auspicious ceremonies like griha pravesh/thread ceremonies. Daily puja and festivals aren't restricted.

How many days does Shukra Ast last?

It's not fixed — the short combustion lasts about 10-12 days, the long one about 40-50 days; the number of combustion periods per cycle and their duration vary from cycle to cycle.

Are Guru Ast and Shukra Ast the same?

No — two different planets, different dates (they don't appear to overlap in 2026). Both are considered inauspicious for muhurats.

How do you know when Shukra Ast has ended?

Through the event "Shukra Darshan"/"Shukra's eastern appearance" — when Venus reappears as the morning star, that's the moment combustion ends.