{"id":"vidhyamitra:city-day:rishikesh:2135-12-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2135-12-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2135-12-09","date_display":"December 9, 2135 CE","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":2135,"month":12,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501194.770833,"kali_year":5237,"ahargana":1912729.2708,"sun":{"sidereal_longitude":229.9698,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":280.0626,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":50.0928,"elapsed_within_tithi_degrees":2.0928},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":280.0626,"elapsed_within_degrees":0.0626},"yoga":{"number":12,"name":"Dhruva","sum_longitude":150.0323},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2135,"month":12,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2501194.770833,"ahargana":1912729.2708,"kali_year":5237,"ayanamsa_lahiri":25.7519,"grahas":{"sun":{"sidereal_longitude":230.75132399999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":281.715424,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":-4.3326},"mars":{"sidereal_longitude":109.03242399999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":248.61332400000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":181.01172399999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":193.78342399999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":245.14432399999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":354.3985,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":174.3985,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"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":2135,"month":12,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501194.770833,"kali_year":5237,"ahargana":1912729.2708,"sun":{"sidereal_longitude":229.9698,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":280.0626,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":50.0928,"elapsed_within_tithi_degrees":2.0928},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":280.0626,"elapsed_within_degrees":0.0626},"yoga":{"number":12,"name":"Dhruva","sum_longitude":150.0323},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.333,"elongation":50.093},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.333,"opposition_distance":129.907}},"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":"07:02","sunsetLocal":"17:18","solarNoonLocal":"12:10","dayLengthHours":10.26816630684744,"dayLengthDisplay":"10 Hours 16 Mins 05 Secs","nightLengthDisplay":"13 Hours 43 Mins 55 Secs","moonriseLocal":"10:15","moonsetLocal":"20:52","rahuKala":{"name":"Rāhu Kāla","start":"10:53","end":"12:10","startHours":10.884191504174051,"endHours":12.16771229252998,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:44","end":"16:01","startHours":14.734753869241842,"endHours":16.01827465759777,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:19","end":"09:36","startHours":8.317149927462191,"endHours":9.600670715818122,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:46","startHours":9.429534610703996,"endHours":9.771806820932245,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:44","startHours":7.461469401891571,"endHours":7.735287170074169,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:31","startHours":11.825440082301732,"endHours":12.509984502758229,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:40","end":"06:21","startHours":5.664540298193269,"endHours":6.349084718649765,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:11","end":"07:02","startHours":6.177948613535641,"endHours":7.033629139106261,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:53","end":"14:34","startHours":13.879073343671221,"endHours":14.563617764127716,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:06","end":"17:30","startHours":17.1017954459537,"endHours":17.5017954459537,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:18","end":"17:44","startHours":17.3017954459537,"endHours":17.72963570873901,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:03","end":"18:48","startHours":17.0517954459537,"endHours":18.8017954459537,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:31","startHours":23.825440082301732,"endHours":24.50998450275823,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:02","end":"08:19","startHours":7.033629139106261,"endHours":8.317149927462191,"quality":"neutral"},{"name":"Labha","start":"08:19","end":"09:36","startHours":8.317149927462191,"endHours":9.600670715818122,"quality":"auspicious"},{"name":"Amṛta","start":"09:36","end":"10:53","startHours":9.600670715818122,"endHours":10.884191504174051,"quality":"auspicious"},{"name":"Kāla","start":"10:53","end":"12:10","startHours":10.884191504174051,"endHours":12.16771229252998,"quality":"inauspicious"},{"name":"Śubha","start":"12:10","end":"13:27","startHours":12.16771229252998,"endHours":13.451233080885912,"quality":"auspicious"},{"name":"Roga","start":"13:27","end":"14:44","startHours":13.451233080885912,"endHours":14.734753869241842,"quality":"inauspicious"},{"name":"Udveg","start":"14:44","end":"16:01","startHours":14.734753869241842,"endHours":16.01827465759777,"quality":"inauspicious"},{"name":"Chala","start":"16:01","end":"17:18","startHours":16.01827465759777,"endHours":17.3017954459537,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:18","end":"19:01","startHours":17.3017954459537,"endHours":19.01827465759777,"quality":"inauspicious"},{"name":"Udveg","start":"19:01","end":"20:44","startHours":19.01827465759777,"endHours":20.734753869241842,"quality":"inauspicious"},{"name":"Chala","start":"20:44","end":"22:27","startHours":20.734753869241842,"endHours":22.45123308088591,"quality":"neutral"},{"name":"Labha","start":"22:27","end":"00:10","startHours":22.45123308088591,"endHours":24.16771229252998,"quality":"auspicious"},{"name":"Amṛta","start":"00:10","end":"01:53","startHours":24.16771229252998,"endHours":25.88419150417405,"quality":"auspicious"},{"name":"Kāla","start":"01:53","end":"03:36","startHours":25.88419150417405,"endHours":27.60067071581812,"quality":"inauspicious"},{"name":"Śubha","start":"03:36","end":"05:19","startHours":27.60067071581812,"endHours":29.31714992746219,"quality":"auspicious"},{"name":"Roga","start":"05:19","end":"07:02","startHours":29.31714992746219,"endHours":31.03362913910626,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:02","end":"08:02","startHours":7.033629139106261,"endHours":8.03362913910626,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:02","end":"09:02","startHours":8.03362913910626,"endHours":9.03362913910626,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:02","end":"10:02","startHours":9.03362913910626,"endHours":10.03362913910626,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:02","end":"11:02","startHours":10.03362913910626,"endHours":11.03362913910626,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:02","end":"12:02","startHours":11.03362913910626,"endHours":12.03362913910626,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:02","end":"13:02","startHours":12.03362913910626,"endHours":13.03362913910626,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:02","end":"14:02","startHours":13.03362913910626,"endHours":14.03362913910626,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:02","end":"15:02","startHours":14.03362913910626,"endHours":15.03362913910626,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:02","end":"16:02","startHours":15.03362913910626,"endHours":16.03362913910626,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:02","end":"17:02","startHours":16.03362913910626,"endHours":17.03362913910626,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:02","end":"18:02","startHours":17.03362913910626,"endHours":18.03362913910626,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:02","end":"19:02","startHours":18.03362913910626,"endHours":19.03362913910626,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:02","end":"20:02","startHours":19.03362913910626,"endHours":20.03362913910626,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:02","end":"21:02","startHours":20.03362913910626,"endHours":21.03362913910626,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:02","end":"22:02","startHours":21.03362913910626,"endHours":22.03362913910626,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:02","end":"23:02","startHours":22.03362913910626,"endHours":23.03362913910626,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:02","end":"00:02","startHours":23.03362913910626,"endHours":24.03362913910626,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:02","end":"01:02","startHours":24.03362913910626,"endHours":25.03362913910626,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:02","end":"02:02","startHours":25.03362913910626,"endHours":26.03362913910626,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:02","end":"03:02","startHours":26.03362913910626,"endHours":27.03362913910626,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:02","end":"04:02","startHours":27.03362913910626,"endHours":28.03362913910626,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:02","end":"05:02","startHours":28.03362913910626,"endHours":29.03362913910626,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:02","end":"06:02","startHours":29.03362913910626,"endHours":30.03362913910626,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:02","end":"07:02","startHours":30.03362913910626,"endHours":31.03362913910626,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.752320173418276,"eotMinutes":6.866862448201248,"ayanamsa":25.7519}},"calendars":{"vikram_samvat":2192,"vikram_samvatsara":"Kīlaka","saka_samvat":2057,"saka_samvatsara":"Manmatha","bengali_samvat":1542,"malayalam_era":1311,"nanakshahi_year":666,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Pañcamī · Vikram 2192 Kīlaka · Śaka 2057 Manmatha"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"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 December 9, 2135 CE · Ṛṣikeśa · Vidhyamitra","description":"December 9, 2135 CE for Ṛṣikeśa: Śukla Pañcamī, sūryodaya 07:02, sūryāsta 17:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2135-12-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2135-12-09","sa":"https://sa.vidhyamitra.com/city/rishikesh/2135-12-09","hi":"https://hi.vidhyamitra.com/city/rishikesh/2135-12-09","x-default":"https://vidhyamitra.com/city/rishikesh/2135-12-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:43:13.390Z","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":"2026-05-31T10:43:13.390Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:43:13.390Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}