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Rahu Kaal
10:55 – 12:06
Avoid this window when starting something new.
Local time · San Francisco
Shukravara · Margashirsha · Shukla Paksha
शुक्रवार · मार्गशीर्ष · शुक्ल पक्ष
Waxing Gibbous
Sunrise 07:21 — Sunset 16:51 · day 9h 31m
≈ 64% 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 | 10:55 | 12:06 | inauspicious |
| Yamaghanda Kala | 14:29 | 15:40 | inauspicious |
| Gulika Kala | 08:32 | 09:43 | inauspicious |
Brahma Muhurta
ब्रह्म मुहूर्त
05:45 – 06:33
Pratah Sandhya
प्रातः सन्ध्या
06:16 – 07:21
Vijaya Muhurta
विजय मुहूर्त
13:41 – 14:19
Godhuli Muhurta
गोधूलि मुहूर्त
16:39 – 17:03
Sayahna Sandhya
सायाह्न सन्ध्या
16:51 – 17:56
Nishita Muhurta
निशीथ मुहूर्त
23:42 – 24:30
Amrita Kalam
Panchak active: Raja Panchak (onset-weekday flavour)
Varjyam
वर्ज्यम्
14:34 – 16:09
The nakshatra-derived window the classics flag to avoid.
Dur Muhurtam 4
दुर्मुहूर्तम्
09:15 – 09:53
Weekday-keyed inauspicious sub-muhurta.
Dur Muhurtam 9
दुर्मुहूर्तम्
12:25 – 13:03
Weekday-keyed inauspicious sub-muhurta.
Source: Muhurta Chintamani; Dharma Sindhu. Sub-window arithmetic from sunrise + nakshatra position.
Surya Rashi
Dhanu#9
Surya Nakshatra
Mula मूल
Pada 1 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 |
Revati Gand Mool: Mool Shanti advised; junction of Meena-Mesha.
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
North
Tamil Yoga
Amrita अमृत
auspicious
Source: Auspicious Tamil yoga
Favourable Janma Rashis Today
Vrishabha, Mithuna, Kanya, Tula, Makara, Meena
Chandrashtama (avoid): Simha
| # | Janma Nakshatra | Tara | Quality |
|---|---|---|---|
| 1 | Ashwini | Ati-Mitra अतिमित्र | auspicious |
| 2 | Bharani | Mitra मित्र | auspicious |
| 3 | Krittika |
Ritu (Vedic)
Hemantaहेमन्त
Ritu (Drik)
Hemantaहेमन्त
Ayana
Dakshinayanaदक्षिणायन
Dinamana
9h 31m
Ratrimana
14h 29m
Madhyahna
12:06
Source: Suryasiddhanta. Dinamana = sunrise→sunset minutes; Madhyahna = local solar noon.
| Kaliyuga Year | 5127 |
| Kali Ahargana | 1872927 |
| Julian Day | 2461392.5 |
| Modified Julian Day | 61392 |
| Rata Die | 739968 |
| National Civil (Saka) | Agrahayana 27, 1948 Shaka |
| National Nirayana (Saka) | Pausha 4, 1948 Shaka |
| Lahiri Ayanamsha |
On Friday, 18 December 2026, the Vedic calendar throughout San Francisco carries a day of particular rhythmic quality. The sun rises at 7:21 AM and dipping below the horizon at 4:51 PM, bringing 9 hours 31 minutes of daylight. The tithi is Navami of Shukla side of the lunar month, and the nakshatra of the day is Revati. Variyan yoga presides over the day, completing the core panchang signature for 2026-12-18. Brahma Muhurta opens at 5:45 AM and closes at 6:33 AM, anchored to today's local sunrise.
Throughout San Francisco, Rahu Kala occupies the stretch from 10:55 AM through 12:06 PM — the period to avoid for new endeavours. Today's Disha Shool falls in the West direction — classical guidance advises against new Friday journeys toward the West. On the auspicious side, the Labh choghadiya (8:32 AM–9:43 AM) is the day's prime auspicious window. Revati nakshatra is ruled by Mercury, anchoring the vedic day in the particulars of San Francisco.
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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 |
| 11:47 |
| 12:25 |
| auspicious |
अमृत कालम्
18:32 – 20:07
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.
favourable
Source: Direction favored by today's moon position
Rahu Vasa
East पूर्व
avoid
Source: Direction occupied by Rahu; avoid offerings facing here
Agnivasa
Akasha आकाश
neutral
Source: Agni's dwelling for homa-suitability assessment
Shiva Vasa
Vrishabha वृषभ
favourable
Source: Shiva's location for rudrabhisheka timing
Homahuti
Venus शुक्र
favourable
Source: Benefic planet: offering auspicious
Anandadi Yoga
Srivatsa श्रीवत्स
favourable
Source: Auspicious day-yoga (Anandadi)
| Vadha वध |
| inauspicious |
| 4 | Rohini | Sadhaka साधक | auspicious |
| 5 | Mrigashira | Pratyari प्रत्यरि | inauspicious |
| 6 | Ardra | Kshema क्षेम | auspicious |
| 7 | Punarvasu | Vipat विपत् | inauspicious |
| 8 | Pushya | Sampat सम्पत् | auspicious |
| 9 | Ashlesha | Janma जन्म | inauspicious |
| 10 | Magha | Ati-Mitra अतिमित्र | auspicious |
| 11 | Purva Phalguni | Mitra मित्र | auspicious |
| 12 | Uttara Phalguni | Vadha वध | inauspicious |
| 13 | Hasta | Sadhaka साधक | auspicious |
| 14 | Chitra | Pratyari प्रत्यरि | inauspicious |
| 15 | Swati | Kshema क्षेम | auspicious |
| 16 | Vishakha | Vipat विपत् | inauspicious |
| 17 | Anuradha | Sampat सम्पत् | auspicious |
| 18 | Jyeshtha | Janma जन्म | inauspicious |
| 19 | Mula | Ati-Mitra अतिमित्र | auspicious |
| 20 | Purva Ashadha | Mitra मित्र | auspicious |
| 21 | Uttara Ashadha | Vadha वध | inauspicious |
| 22 | Shravana | Sadhaka साधक | auspicious |
| 23 | Dhanishtha | Pratyari प्रत्यरि | inauspicious |
| 24 | Shatabhisha | Kshema क्षेम | auspicious |
| 25 | Purva Bhadrapada | Vipat विपत् | inauspicious |
| 26 | Uttara Bhadrapada | Sampat सम्पत् | auspicious |
| 27 | Revati | Janma जन्म | inauspicious |
| # | Janma Rashi | House from Janma | Favourable |
|---|---|---|---|
| 1 | Mesha | 12 | no |
| 2 | Vrishabha | 11 | yes |
| 3 | Mithuna | 10 | yes |
| 4 | Karka | 9 | no |
| 5 | Simha | 8 | no |
| 6 | Kanya | 7 | yes |
| 7 | Tula | 6 | yes |
| 8 | Vrishchika | 5 | no |
| 9 | Dhanu | 4 | no |
| 10 | Makara | 3 | yes |
| 11 | Kumbha | 2 | no |
| 12 | Meena | 1 | yes |
Source: Muhurta Chintamani; Brihat Samhita. Tarabala uses the 9-cycle from janma-nakshatra to today’s nakshatra.
| # | Rashi | Start | End |
|---|---|---|---|
| 9 | Dhanu धनु | 07:21 | 09:16 |
| 10 | Makara मकर | 09:16 | 10:51 |
| 11 | Kumbha कुम्भ | 10:51 | 12:06 |
| 12 | Meena मीन | 12:06 | 13:21 |
| 1 | Mesha मेष | 13:21 | 14:46 |
| 2 | Vrishabha वृषभ | 14:46 | 16:36 |
| 3 | Mithuna मिथुन | 16:36 | 18:56 |
| 4 | Karka कर्क | 18:56 | 21:26 |
| 5 | Simha सिंह | 21:26 | 23:51 |
| 6 | Kanya कन्या | 23:51 | 02:21 |
| 7 | Tula तुला | 02:21 | 04:46 |
| 8 | Vrishchika वृश्चिक | 04:46 | 07:11 |
| 9 | Dhanu धनु | 07:11 | 07:21 |
| # | Label | Start | End | Quality |
|---|---|---|---|---|
| 1 | Shubha शुभ | 07:21 | 07:59 | auspicious |
| 2 | Roga रोग | 07:59 | 08:37 | inauspicious |
| 3 | Mrityu मृत्यु | 08:37 | 09:15 | inauspicious |
| 4 | Agni अग्नि | 09:15 | 09:53 | inauspicious |
| 5 | Raja राज | 09:53 | 10:31 | inauspicious |
| 6 | Chora चोर | 10:31 | 11:09 | inauspicious |
| 7 | Shubha शुभ | 11:09 | 11:47 | auspicious |
| 8 | Roga रोग | 11:47 | 12:25 | inauspicious |
| 9 | Mrityu मृत्यु | 12:25 | 13:03 | inauspicious |
| 10 | Agni अग्नि | 13:03 | 13:41 | inauspicious |
| 11 | Raja राज | 13:41 | 14:19 | inauspicious |
| 12 | Chora चोर | 14:19 | 14:57 | inauspicious |
| 13 | Shubha शुभ | 14:57 | 15:35 | auspicious |
| 14 | Roga रोग | 15:35 | 16:13 | inauspicious |
| 15 | Mrityu मृत्यु | 16:13 | 16:51 | inauspicious |
Source: Muhurta Chintamani; Nirnaya Sindhu.
| 24.2337° |
Derived from the day’s Julian Day and the Lahiri ayanamsha.
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