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Rahu Kaal
11:31 – 13:14
Avoid this window when starting something new.
Local time · San Francisco
Shukravara · Shravana · Shukla Paksha
शुक्रवार · श्रावण · शुक्ल पक्ष
Waxing Gibbous
Sunrise 06:24 — Sunset 20:03 · day 13h 39m
≈ 88% 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.
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Pick what you’re planning. See whether today suits your activity. Get the best time and the classical source below.
| Window | Start | End | Type |
|---|---|---|---|
| Rahu Kala | 11:31 | 13:14 | inauspicious |
| Yamaghanda Kala | 16:39 | 18:21 | inauspicious |
| Gulika Kala | 08:07 | 09:49 | inauspicious |
Brahma Muhurta
ब्रह्म मुहूर्त
04:48 – 05:36
Pratah Sandhya
प्रातः सन्ध्या
05:19 – 06:24
Vijaya Muhurta
विजय मुहूर्त
15:30 – 16:25
Godhuli Muhurta
गोधूलि मुहूर्त
19:51 – 20:15
Sayahna Sandhya
सायाह्न सन्ध्या
20:03 – 21:08
Nishita Muhurta
निशीथ मुहूर्त
24:50 – 01:38
Amrita Kalam
अमृत कालम्
24:20 – 02:08
Varjyam
वर्ज्यम्
12:37 – 14:26
The nakshatra-derived window the classics flag to avoid.
Dur Muhurtam 4
दुर्मुहूर्तम्
09:08 – 10:03
Weekday-keyed inauspicious sub-muhurta.
Dur Muhurtam 9
दुर्मुहूर्तम्
13:41 – 14:36
Weekday-keyed inauspicious sub-muhurta.
Source: Muhurta Chintamani; Dharma Sindhu. Sub-window arithmetic from sunrise + nakshatra position.
Surya Rashi
Karka#4
Surya Nakshatra
Ashlesha आश्लेषा
Pada 3 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
1949
Saumya सौम्य
Gujarati Samvat
2083
Parabhava पराभव
| Position | Deity |
|---|---|
| Raja | Mercury |
| Sasyadhipati | Venus |
Remaining governance positions (8) will populate as the engine resolves them.
Disha Shool
Westपश्चिम
avoid
Source: Avoid travel toward this direction today
Nakshatra Shool
Eastपूर्व
avoid
Source: Avoid travel toward this direction while today's nakshatra prevails
Chandra Vasa
Eastपूर्व
favourable
Source: Direction favored by today's moon position
Rahu Vasa
Eastपूर्व
avoid
Tamil Yoga
Siddha सिद्ध
auspicious
Source: Auspicious Tamil yoga
Favourable Janma Rashis Today
Mithuna, Karka, Tula, Dhanu, Kumbha, Meena
Chandrashtama (avoid): Vrishabha
| # | Janma Nakshatra | Tara | Quality |
|---|---|---|---|
| 1 | Ashwini | Sampat सम्पत् | auspicious |
| 2 | Bharani | Janma जन्म | inauspicious |
| 3 | Krittika | Ati-Mitra |
Ritu (Vedic)
Varshaवर्षा
Ritu (Drik)
Grishmaग्रीष्म
Ayana
Dakshinayanaदक्षिणायन
Dinamana
13h 39m
Ratrimana
10h 21m
Madhyahna
13:14
Source: Suryasiddhanta. Dinamana = sunrise→sunset minutes; Madhyahna = local solar noon.
| Kaliyuga Year | 5128 |
| Kali Ahargana | 1873165 |
| Julian Day | 2461630.5 |
| Modified Julian Day | 61630 |
| Rata Die | 740206 |
| National Civil (Saka) | Shravana 22, 1949 Shaka |
| National Nirayana (Saka) | Shravana 29, 1949 Shaka |
| Lahiri Ayanamsha | 24.2428° |
Derived from the day’s Julian Day and the Lahiri ayanamsha.
On Friday, the 13th of August 2027, the Vedic calendar in San Francisco carries a day of particular rhythmic quality. Sunrise arrives at 6:24 AM and dipping below the horizon at 8:03 PM, bringing 13 hours 39 minutes of daylight. The tithi is Dwadashi of Shukla side of the lunar month, and the nakshatra of the day is Purva Ashadha. The day carries the Vishkambha yoga, completing the core panchang signature for 2027-08-13. Brahma Muhurta, the pre-dawn meditation window, runs from 4:48 AM to 5:36 AM.
In San Francisco, Rahu Kala runs from 11:31 AM to 1:14 PM — the period to avoid for new endeavours. The inauspicious direction (Disha Shool) for Friday is West; new ventures toward the West are traditionally deferred. On the auspicious side, Labh choghadiya, running 8:07 AM to 9:49 AM, stands out as the best muhurta. Purva Ashadha nakshatra is under the lordship of Venus, bringing the ancient panchang frame into direct contact with San Francisco's horizon.
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 |
| 12:46 |
| 13:41 |
| auspicious |
Source: Muhurta Chintamani; Nirnaya Sindhu. Sub-window arithmetic from sunrise + Surya nakshatra position at the city’s coordinates.
Source: Direction occupied by Rahu; avoid offerings facing here
Agnivasa
Akashaआकाश
neutral
Source: Agni's dwelling for homa-suitability assessment
Shiva Vasa
Gauri-sannidhiगौरीसन्निधि
favourable
Source: Shiva's location for rudrabhisheka timing
Homahuti
Saturnशनि
avoid
Source: Khala planet: offering inauspicious (खलग्रह के मुख में होमाहुति शुभ नहीं होती)
Anandadi Yoga
Pravardhaप्रवर्ध
favourable
Source: Auspicious day-yoga (Anandadi)
| auspicious |
| 4 | Rohini | Mitra मित्र | auspicious |
| 5 | Mrigashira | Vadha वध | inauspicious |
| 6 | Ardra | Sadhaka साधक | auspicious |
| 7 | Punarvasu | Pratyari प्रत्यरि | inauspicious |
| 8 | Pushya | Kshema क्षेम | auspicious |
| 9 | Ashlesha | Vipat विपत् | inauspicious |
| 10 | Magha | Sampat सम्पत् | auspicious |
| 11 | Purva Phalguni | Janma जन्म | inauspicious |
| 12 | Uttara Phalguni | Ati-Mitra अतिमित्र | auspicious |
| 13 | Hasta | Mitra मित्र | auspicious |
| 14 | Chitra | Vadha वध | inauspicious |
| 15 | Swati | Sadhaka साधक | auspicious |
| 16 | Vishakha | Pratyari प्रत्यरि | inauspicious |
| 17 | Anuradha | Kshema क्षेम | auspicious |
| 18 | Jyeshtha | Vipat विपत् | inauspicious |
| 19 | Mula | Sampat सम्पत् | auspicious |
| 20 | Purva Ashadha | Janma जन्म | inauspicious |
| 21 | Uttara Ashadha | Ati-Mitra अतिमित्र | auspicious |
| 22 | Shravana | Mitra मित्र | auspicious |
| 23 | Dhanishtha | Vadha वध | inauspicious |
| 24 | Shatabhisha | Sadhaka साधक | auspicious |
| 25 | Purva Bhadrapada | Pratyari प्रत्यरि | inauspicious |
| 26 | Uttara Bhadrapada | Kshema क्षेम | auspicious |
| 27 | Revati | Vipat विपत् | inauspicious |
| # | Janma Rashi | House from Janma | Favourable |
|---|---|---|---|
| 1 | Mesha | 9 | no |
| 2 | Vrishabha | 8 | no |
| 3 | Mithuna | 7 | yes |
| 4 | Karka | 6 | yes |
| 5 | Simha | 5 | no |
| 6 | Kanya | 4 | no |
| 7 | Tula | 3 | yes |
| 8 | Vrishchika | 2 | no |
| 9 | Dhanu | 1 | yes |
| 10 | Makara | 12 | no |
| 11 | Kumbha | 11 | yes |
| 12 | Meena | 10 | yes |
Source: Muhurta Chintamani; Brihat Samhita. Tarabala uses the 9-cycle from janma-nakshatra to today’s nakshatra.
| # | Rashi | Start | End |
|---|---|---|---|
| 4 | Karka कर्क | 06:24 | 06:49 |
| 5 | Simha सिंह | 06:49 | 09:14 |
| 6 | Kanya कन्या | 09:14 | 11:44 |
| 7 | Tula तुला | 11:44 | 14:14 |
| 8 | Vrishchika वृश्चिक | 14:14 | 16:34 |
| 9 | Dhanu धनु | 16:34 | 18:39 |
| 10 | Makara मकर | 18:39 | 20:09 |
| 11 | Kumbha कुम्भ | 20:09 | 21:29 |
| 12 | Meena मीन | 21:29 | 22:44 |
| 1 | Mesha मेष | 22:44 | 24:09 |
| 2 | Vrishabha वृषभ | 24:09 | 01:59 |
| 3 | Mithuna मिथुन | 01:59 | 04:14 |
| 4 | Karka कर्क | 04:14 | 06:24 |
| # | Label | Start | End | Quality |
|---|---|---|---|---|
| 1 | Mrityu मृत्यु | 06:24 | 07:19 | inauspicious |
| 2 | Agni अग्नि | 07:19 | 08:13 | inauspicious |
| 3 | Raja राज | 08:13 | 09:08 | inauspicious |
| 4 | Chora चोर | 09:08 | 10:03 | inauspicious |
| 5 | Shubha शुभ | 10:03 | 10:57 | auspicious |
| 6 | Roga रोग | 10:57 | 11:52 | inauspicious |
| 7 | Mrityu मृत्यु | 11:52 | 12:46 | inauspicious |
| 8 | Agni अग्नि | 12:46 | 13:41 | inauspicious |
| 9 | Raja राज | 13:41 | 14:36 | inauspicious |
| 10 | Chora चोर | 14:36 | 15:30 | inauspicious |
| 11 | Shubha शुभ | 15:30 | 16:25 | auspicious |
| 12 | Roga रोग | 16:25 | 17:19 | inauspicious |
| 13 | Mrityu मृत्यु | 17:19 | 18:14 | inauspicious |
| 14 | Agni अग्नि | 18:14 | 19:09 | inauspicious |
| 15 | Raja राज | 19:09 | 20:03 | inauspicious |
Source: Muhurta Chintamani; Nirnaya Sindhu.