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Rahu Kaal
15:38 – 16:50
Avoid this window when starting something new.
Local time · San Francisco
Ravivara · Margashirsha · Shukla Paksha
रविवार · मार्गशीर्ष · शुक्ल पक्ष
Waxing Crescent
Sunrise 07:17 — Sunset 16:50 · day 9h 32m
≈ 18% illuminated · increasing
Tithi, Nakshatra, Yoga, Karana and Vara with their end-times, plus the month and the Moon’s and Sun’s signs — computed for this city’s sunrise. Times after midnight use the traditional extended clock (e.g. 27:23 = 03:23 next morning).
The lunar day. It is set by how far the Moon has pulled ahead of the Sun — each 12 degrees of separation is one tithi. The tithi shapes which activities the tradition favours, and it ends at the time shown, when the next one begins.
Every time on this page is calculated from the actual positions of the Sun and Moon using the Swiss Ephemeris (the same high-precision astronomical engine used by professional astronomers), not from a printed almanac or a fixed table.
Significance and auspicious/inauspicious flags are drawn from classical texts (Muhurta Chintamani, Brihat Samhita, the Puranas and others) and cited inline — we never assert an effect a text does not state.
Pick your birth star and Moon-sign once — we’ll read today’s Tarabala and Chandrabala for you. Saved on this device only; never sent to our servers.
Pick what you’re planning. We check today’s panchang against the classical muhurta rule and show you the verdict, the best window, and the source.
| Window | Start | End | Type |
|---|---|---|---|
| Rahu Kala | 15:38 | 16:50 | inauspicious |
| Yamaghanda Kala | 12:03 | 13:15 | inauspicious |
| Gulika Kala | 14:27 | 15:38 | inauspicious |
Brahma Muhurta
ब्रह्म मुहूर्त
05:41 – 06:29
Pratah Sandhya
प्रातः सन्ध्या
06:12 – 07:17
Vijaya Muhurta
विजय मुहूर्त
13:39 – 14:17
Godhuli Muhurta
गोधूलि मुहूर्त
16:38 – 17:02
Sayahna Sandhya
सायाह्न सन्ध्या
16:50 – 17:55
Nishita Muhurta
निशीथ मुहूर्त
23:39 – 24:27
Amrita Kalam
Varjyam
वर्ज्यम्
21:12 – 23:00
The nakshatra-derived window the classics flag to avoid.
Dur Muhurtam 14
दुर्मुहूर्तम्
15:33 – 16:11
Weekday-keyed inauspicious sub-muhurta.
Source: Muhurta Chintamani; Dharma Sindhu. Sub-window arithmetic from sunrise + nakshatra position.
Surya Rashi
Vrishchika#8
Surya Nakshatra
Jyeshtha ज्येष्ठा
Pada 4 of 4
Moon Pada Transitions Today
Source: Lahiri (Chitrapaksha) sidereal ephemeris. Pada arithmetic from nakshatra division into 4 equal arcs of 3° 20′ each.
Shaka Samvat
1948
Kilaka कीलक
Gujarati Samvat
2082
Vishvavasu विश्वावसु
| Position | Deity |
|---|---|
| Raja | Jupiter |
| Sasyadhipati | Jupiter |
Disha Shool
West पश्चिम
avoid
Source: Avoid travel toward this direction today
Nakshatra Shool
South दक्षिण
avoid
Source: Avoid travel toward this direction while today's nakshatra prevails
Chandra Vasa
South दक्षिण
favourable
Source: Direction favored by today's moon position
Rahu Vasa
Tamil Yoga
Siddha सिद्ध
auspicious
Source: Auspicious Tamil yoga
Favourable Janma Rashis Today
Mesha, Karka, Simha, Vrishchika, Makara, Meena
Chandrashtama (avoid): Mithuna
| # | Janma Nakshatra | Tara | Quality |
|---|---|---|---|
| 1 | Ashwini | Kshema क्षेम | auspicious |
| 2 | Bharani | Vipat विपत् | inauspicious |
| 3 | Krittika |
Ritu (Vedic)
Hemantaहेमन्त
Ritu (Drik)
Sharadशरद्
Ayana
Dakshinayanaदक्षिणायन
Dinamana
9h 32m
Ratrimana
14h 28m
Madhyahna
12:03
Source: Suryasiddhanta. Dinamana = sunrise→sunset minutes; Madhyahna = local solar noon.
| Kaliyuga Year | 5127 |
| Kali Ahargana | 1872922 |
| Julian Day | 2461387.5 |
| Modified Julian Day | 61387 |
| Rata Die | 739963 |
| National Civil (Saka) | Agrahayana 22, 1948 Shaka |
| National Nirayana (Saka) | Margashirsha 28, 1948 Shaka |
| Lahiri Ayanamsha |
On Sunday, the 13th of December 2026, the Vedic calendar for those in San Francisco carries a day of particular rhythmic quality. The morning light begins at 7:17 AM and dipping below the horizon at 4:50 PM, bringing 9 hours 32 minutes of daylight. The tithi is Panchami of Shukla Paksha, and the nakshatra of the day is Shravana. Yoga for the day is Vyaghata, completing the core panchang signature for 2026-12-13. Pre-dawn, from 5:41 AM to 6:29 AM, is Brahma Muhurta: the period the Vedic tradition reserves for prayer, meditation, and study.
For those in San Francisco, From 3:38 PM to 4:50 PM Rahu Kala is in force — the period to avoid for new endeavours. On Sunday the Disha Shool (directional affliction) is West; the classical recommendation is to delay West-facing departures. On the auspicious side, Labh (9:40 AM–10:52 AM) is the top-quality choghadiya of the day. Shravana nakshatra is governed by Moon, grounding the cosmic calendar in the rhythms of this specific place and time.
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The Moon's star-mansion — the patch of sky it sits in today, one of 27. Each nakshatra has its own temperament that classical texts use to judge what the day is good for.
Brihat Samhita — Nakshatra chapters (nakshatra qualities)A combined Sun-and-Moon measure (one of 27 nitya-yogas) — not the physical posture practice. A few yogas, such as Vyatipata and Vaidhriti, are best avoided; most are ordinary.
Muhurta Chintamani — Yoga enumeration (tyajya-yoga list, v. 33)Half of a tithi — each lunar day holds two karanas. One of them, Vishti (also called Bhadra), is treated as inauspicious; the rest are workable.
BPHS — Karana-jnana-vidhi (11 karanas including Vishti)The weekday and its ruling planet. Each day's planet colours which tasks the tradition recommends — e.g. Thursday (Jupiter) for auspicious beginnings.
Muhurta Chintamani — Vara-prakaranam (weekday lords)The lunar month. India uses two reckonings — Amanta (new-moon to new-moon) and Purnimanta (full-moon to full-moon) — so the name can differ by region. An 'Adhika' (extra) month is inserted to keep the lunar and solar years aligned.
Nirnaya Sindhu — Adhikamasa-nirnaya (intercalary month)The fortnight. Shukla is the waxing half (Moon growing toward full); Krishna is the waning half (toward the new moon).
Calendar definition
The zodiac sign the Moon occupies now. Together with your birth Moon-sign it drives Chandrabala — the Moon's day-to-day favourability for you.
Muhurta Chintamani — 2.4-2.5 (Chandrabala)Sidereal (Lahiri) ephemeris; anga end-times computed to the city’s actual sunrise. “Adhika maas” marks an intercalary lunar month (no solar sankranti within it).
| Abhijit Muhurta |
| 11:44 |
| 12:23 |
| auspicious |
अमृत कालम्
20:18 – 22:06
Source: Muhurta Chintamani; Nirnaya Sindhu. Sub-window arithmetic from sunrise + Surya nakshatra position at the city’s coordinates.
Source: Nirnaya Sindhu; Suryasiddhanta. Samvatsara from the 60-year Brihaspati cycle.
Southwest नैऋत्य
avoid
Source: Direction occupied by Rahu; avoid offerings facing here
Agnivasa
Swarga स्वर्ग
favourable
Source: Agni's dwelling for homa-suitability assessment
Shiva Vasa
Gauri-sannidhi गौरीसन्निधि
favourable
Source: Shiva's location for rudrabhisheka timing
Homahuti
Mercury बुध
favourable
Source: Benefic planet: offering auspicious
Anandadi Yoga
Gada गद
avoid
Source: Inauspicious day-yoga (Anandadi) -- avoid new ventures
| Sampat सम्पत् |
| auspicious |
| 4 | Rohini | Janma जन्म | inauspicious |
| 5 | Mrigashira | Ati-Mitra अतिमित्र | auspicious |
| 6 | Ardra | Mitra मित्र | auspicious |
| 7 | Punarvasu | Vadha वध | inauspicious |
| 8 | Pushya | Sadhaka साधक | auspicious |
| 9 | Ashlesha | Pratyari प्रत्यरि | inauspicious |
| 10 | Magha | Kshema क्षेम | auspicious |
| 11 | Purva Phalguni | Vipat विपत् | inauspicious |
| 12 | Uttara Phalguni | Sampat सम्पत् | auspicious |
| 13 | Hasta | Janma जन्म | inauspicious |
| 14 | Chitra | Ati-Mitra अतिमित्र | auspicious |
| 15 | Swati | Mitra मित्र | auspicious |
| 16 | Vishakha | Vadha वध | inauspicious |
| 17 | Anuradha | Sadhaka साधक | auspicious |
| 18 | Jyeshtha | Pratyari प्रत्यरि | inauspicious |
| 19 | Mula | Kshema क्षेम | auspicious |
| 20 | Purva Ashadha | Vipat विपत् | inauspicious |
| 21 | Uttara Ashadha | Sampat सम्पत् | auspicious |
| 22 | Shravana | Janma जन्म | inauspicious |
| 23 | Dhanishtha | Ati-Mitra अतिमित्र | auspicious |
| 24 | Shatabhisha | Mitra मित्र | auspicious |
| 25 | Purva Bhadrapada | Vadha वध | inauspicious |
| 26 | Uttara Bhadrapada | Sadhaka साधक | auspicious |
| 27 | Revati | Pratyari प्रत्यरि | inauspicious |
| # | Janma Rashi | House from Janma | Favourable |
|---|---|---|---|
| 1 | Mesha | 10 | yes |
| 2 | Vrishabha | 9 | no |
| 3 | Mithuna | 8 | no |
| 4 | Karka | 7 | yes |
| 5 | Simha | 6 | yes |
| 6 | Kanya | 5 | no |
| 7 | Tula | 4 | no |
| 8 | Vrishchika | 3 | yes |
| 9 | Dhanu | 2 | no |
| 10 | Makara | 1 | yes |
| 11 | Kumbha | 12 | no |
| 12 | Meena | 11 | yes |
Source: Muhurta Chintamani; Brihat Samhita. Tarabala uses the 9-cycle from janma-nakshatra to today’s nakshatra.
| # | Rashi | Start | End |
|---|---|---|---|
| 8 | Vrishchika वृश्चिक | 07:17 | 07:37 |
| 9 | Dhanu धनु | 07:37 | 09:37 |
| 10 | Makara मकर | 09:37 | 11:12 |
| 11 | Kumbha कुम्भ | 11:12 | 12:27 |
| 12 | Meena मीन | 12:27 | 13:42 |
| 1 | Mesha मेष | 13:42 | 15:07 |
| 2 | Vrishabha वृषभ | 15:07 | 16:57 |
| 3 | Mithuna मिथुन | 16:57 | 19:12 |
| 4 | Karka कर्क | 19:12 | 21:42 |
| 5 | Simha सिंह | 21:42 | 24:12 |
| 6 | Kanya कन्या | 24:12 | 02:37 |
| 7 | Tula तुला | 02:37 | 05:07 |
| 8 | Vrishchika वृश्चिक | 05:07 | 07:17 |
| # | Label | Start | End | Quality |
|---|---|---|---|---|
| 1 | Raja राज | 07:17 | 07:56 | inauspicious |
| 2 | Chora चोर | 07:56 | 08:34 | inauspicious |
| 3 | Shubha शुभ | 08:34 | 09:12 | auspicious |
| 4 | Roga रोग | 09:12 | 09:50 | inauspicious |
| 5 | Mrityu मृत्यु | 09:50 | 10:28 | inauspicious |
| 6 | Agni अग्नि | 10:28 | 11:06 | inauspicious |
| 7 | Raja राज | 11:06 | 11:44 | inauspicious |
| 8 | Chora चोर | 11:44 | 12:23 | inauspicious |
| 9 | Shubha शुभ | 12:23 | 13:01 | auspicious |
| 10 | Roga रोग | 13:01 | 13:39 | inauspicious |
| 11 | Mrityu मृत्यु | 13:39 | 14:17 | inauspicious |
| 12 | Agni अग्नि | 14:17 | 14:55 | inauspicious |
| 13 | Raja राज | 14:55 | 15:33 | inauspicious |
| 14 | Chora चोर | 15:33 | 16:11 | inauspicious |
| 15 | Shubha शुभ | 16:11 | 16:50 | auspicious |
Source: Muhurta Chintamani; Nirnaya Sindhu.
| 24.2335° |
Derived from the day’s Julian Day and the Lahiri ayanamsha.
सर्वार्थ सिद्धि योग साधना
- Muhurta Chintamani
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