{"id":"vidhyamitra:city-day:rishikesh:-3137-10-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/-3137-10-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3137-10-26","date_display":"October 26, 3138 BCE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":-3137,"month":10,"day":26,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575566.770833,"kali_year":-35,"ahargana":-12898.7292,"sun":{"sidereal_longitude":246.5484,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":325.0273,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.4789,"elapsed_within_tithi_degrees":6.4789},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":325.0273,"elapsed_within_degrees":5.0273},"yoga":{"number":16,"name":"Siddhi","sum_longitude":211.5756},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":-3137,"month":10,"day":26,"hour":6,"minute":30,"calendar":"julian"},"julian_day":575566.770833,"ahargana":-12898.7292,"kali_year":-35,"ayanamsa_lahiri":-47.8961,"grahas":{"sun":{"sidereal_longitude":246.5484,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":325.0273,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":-0.1248},"mars":{"sidereal_longitude":117.672,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":223.9613,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":0.0263,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":233.0025,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":278.5568,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":143.4367,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":323.4367,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":-3137,"month":10,"day":26,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575566.770833,"kali_year":-35,"ahargana":-12898.7292,"sun":{"sidereal_longitude":246.5484,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":325.0273,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.4789,"elapsed_within_tithi_degrees":6.4789},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":325.0273,"elapsed_within_degrees":5.0273},"yoga":{"number":16,"name":"Siddhi","sum_longitude":211.5756},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.125,"elongation":78.479},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.125,"opposition_distance":101.521}},"eclipse_window_40days":[]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"06:14","sunsetLocal":"17:47","solarNoonLocal":"12:01","dayLengthHours":11.561537125168478,"dayLengthDisplay":"11 Hours 33 Mins 42 Secs","nightLengthDisplay":"12 Hours 26 Mins 18 Secs","moonriseLocal":"12:09","moonsetLocal":"22:20","rahuKala":{"name":"Rāhu Kāla","start":"16:21","end":"17:47","startHours":16.345999425432286,"endHours":17.791191566078346,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:01","end":"13:27","startHours":12.010423003494108,"endHours":13.455615144140168,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:54","end":"16:21","startHours":14.900807284786229,"endHours":16.345999425432286,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:19","startHours":8.927346436782514,"endHours":9.312731007621464,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:43","end":"07:01","startHours":6.711385154458556,"endHours":7.019692811129715,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:24","startHours":11.625038432655158,"endHours":12.395807574333057,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:41","end":"05:28","startHours":4.688116157554072,"endHours":5.458885299231971,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:16","end":"06:14","startHours":5.266193013812496,"endHours":6.2296544409098695,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:42","startHours":13.937345857688854,"endHours":14.708114999366753,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:35","end":"17:59","startHours":17.591191566078347,"endHours":17.991191566078346,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:47","end":"18:16","startHours":17.791191566078346,"endHours":18.272922279627032,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:32","end":"19:17","startHours":17.541191566078346,"endHours":19.291191566078346,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:24","startHours":23.62503843265516,"endHours":24.395807574333055,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:14","end":"07:40","startHours":6.2296544409098695,"endHours":7.674846581555929,"quality":"inauspicious"},{"name":"Chala","start":"07:40","end":"09:07","startHours":7.674846581555929,"endHours":9.12003872220199,"quality":"neutral"},{"name":"Labha","start":"09:07","end":"10:34","startHours":9.12003872220199,"endHours":10.565230862848049,"quality":"auspicious"},{"name":"Amṛta","start":"10:34","end":"12:01","startHours":10.565230862848049,"endHours":12.010423003494108,"quality":"auspicious"},{"name":"Kāla","start":"12:01","end":"13:27","startHours":12.010423003494108,"endHours":13.455615144140168,"quality":"inauspicious"},{"name":"Śubha","start":"13:27","end":"14:54","startHours":13.455615144140168,"endHours":14.900807284786229,"quality":"auspicious"},{"name":"Roga","start":"14:54","end":"16:21","startHours":14.900807284786229,"endHours":16.345999425432286,"quality":"inauspicious"},{"name":"Udveg","start":"16:21","end":"17:47","startHours":16.345999425432286,"endHours":17.791191566078346,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:47","end":"19:21","startHours":17.791191566078346,"endHours":19.345999425432286,"quality":"auspicious"},{"name":"Roga","start":"19:21","end":"20:54","startHours":19.345999425432286,"endHours":20.900807284786225,"quality":"inauspicious"},{"name":"Udveg","start":"20:54","end":"22:27","startHours":20.900807284786225,"endHours":22.455615144140168,"quality":"inauspicious"},{"name":"Chala","start":"22:27","end":"00:01","startHours":22.455615144140168,"endHours":24.010423003494108,"quality":"neutral"},{"name":"Labha","start":"00:01","end":"01:34","startHours":24.010423003494108,"endHours":25.565230862848047,"quality":"auspicious"},{"name":"Amṛta","start":"01:34","end":"03:07","startHours":25.565230862848047,"endHours":27.12003872220199,"quality":"auspicious"},{"name":"Kāla","start":"03:07","end":"04:40","startHours":27.12003872220199,"endHours":28.67484658155593,"quality":"inauspicious"},{"name":"Śubha","start":"04:40","end":"06:14","startHours":28.67484658155593,"endHours":30.22965444090987,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:14","end":"07:14","startHours":6.2296544409098695,"endHours":7.2296544409098695,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:14","end":"08:14","startHours":7.2296544409098695,"endHours":8.229654440909869,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:14","end":"09:14","startHours":8.229654440909869,"endHours":9.229654440909869,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:14","end":"10:14","startHours":9.229654440909869,"endHours":10.229654440909869,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:14","end":"11:14","startHours":10.229654440909869,"endHours":11.229654440909869,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:14","end":"12:14","startHours":11.229654440909869,"endHours":12.229654440909869,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:14","end":"13:14","startHours":12.229654440909869,"endHours":13.229654440909869,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:14","end":"14:14","startHours":13.229654440909869,"endHours":14.229654440909869,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:14","end":"15:14","startHours":14.229654440909869,"endHours":15.229654440909869,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:14","end":"16:14","startHours":15.229654440909869,"endHours":16.22965444090987,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:14","end":"17:14","startHours":16.22965444090987,"endHours":17.22965444090987,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:14","end":"18:14","startHours":17.22965444090987,"endHours":18.22965444090987,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:14","end":"19:14","startHours":18.22965444090987,"endHours":19.22965444090987,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:14","end":"20:14","startHours":19.22965444090987,"endHours":20.22965444090987,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:14","end":"21:14","startHours":20.22965444090987,"endHours":21.22965444090987,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:14","end":"22:14","startHours":21.22965444090987,"endHours":22.22965444090987,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:14","end":"23:14","startHours":22.22965444090987,"endHours":23.22965444090987,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:14","end":"00:14","startHours":23.22965444090987,"endHours":24.22965444090987,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:14","end":"01:14","startHours":24.22965444090987,"endHours":25.22965444090987,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:14","end":"02:14","startHours":25.22965444090987,"endHours":26.22965444090987,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:14","end":"03:14","startHours":26.22965444090987,"endHours":27.22965444090987,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:14","end":"04:14","startHours":27.22965444090987,"endHours":28.22965444090987,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:14","end":"05:14","startHours":28.22965444090987,"endHours":29.22965444090987,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:14","end":"06:14","startHours":29.22965444090987,"endHours":30.22965444090987,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.308081244347829,"eotMinutes":16.304219790353635,"ayanamsa":-47.8961}},"calendars":{"vikram_samvat":-3080,"saka_samvat":-3215,"bengali_samvat":-3730,"malayalam_era":-3961,"nanakshahi_year":-4606,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Saptamī · Vikram -3080 undefined · Śaka -3215 undefined"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":true,"location_specific":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 26, 3138 BCE · Ṛṣikeśa · Vidhyamitra","description":"October 26, 3138 BCE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 06:14, sūryāsta 17:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/-3137-10-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/-3137-10-26","sa":"https://sa.vidhyamitra.com/city/rishikesh/-3137-10-26","hi":"https://hi.vidhyamitra.com/city/rishikesh/-3137-10-26","x-default":"https://vidhyamitra.com/city/rishikesh/-3137-10-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T15:30:38.536Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-31T15:30:38.536Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T15:30:38.536Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}