{"id":"vidhyamitra:city-day:rishikesh:1935-12-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1935-12-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1935-12-31","date_display":"December 31, 1935 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":1935,"month":12,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428167.770833,"kali_year":5037,"ahargana":1839702.2708,"sun":{"sidereal_longitude":255.3746,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":323.2355,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":67.861,"elapsed_within_tithi_degrees":7.861},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":323.2355,"elapsed_within_degrees":3.2355},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":218.6101},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1935,"month":12,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2428167.770833,"ahargana":1839702.2708,"kali_year":5037,"ayanamsa_lahiri":22.9589,"grahas":{"sun":{"sidereal_longitude":255.46709199999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":324.423892,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":3.8769},"mars":{"sidereal_longitude":296.542692,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":268.30369199999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":229.365092,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":213.70359200000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":313.394992,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":263.7204,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":83.7204,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":1935,"month":12,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428167.770833,"kali_year":5037,"ahargana":1839702.2708,"sun":{"sidereal_longitude":255.3746,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":323.2355,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":67.861,"elapsed_within_tithi_degrees":7.861},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":323.2355,"elapsed_within_degrees":3.2355},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":218.6101},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.877,"elongation":67.861},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.877,"opposition_distance":112.139}},"eclipse_window_40days":[{"offset_days":-5,"type":"solar","occurs":true,"moon_latitude":-0.876,"elongation":2.52}]},"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":"07:13","sunsetLocal":"17:27","solarNoonLocal":"12:20","dayLengthHours":10.229651556717563,"dayLengthDisplay":"10 Hours 13 Mins 47 Secs","nightLengthDisplay":"13 Hours 46 Mins 13 Secs","moonriseLocal":"11:05","moonsetLocal":"22:47","rahuKala":{"name":"Rāhu Kāla","start":"14:54","end":"16:10","startHours":14.89384347124281,"endHours":16.17254991583251,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:47","end":"11:03","startHours":9.779017692884029,"endHours":11.057724137473725,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:20","end":"13:37","startHours":12.336430582063421,"endHours":13.615137026653116,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:37","end":"09:57","startHours":9.60852350027207,"endHours":9.949511885495989,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:39","end":"07:55","startHours":7.647840285234538,"endHours":7.920630993413673,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:41","startHours":11.995442196839504,"endHours":12.67741896728734,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:32","startHours":5.857651262808964,"endHours":6.539628033256801,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:22","end":"07:13","startHours":6.369133840644842,"endHours":7.221604803704639,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:43","startHours":14.041372508183015,"endHours":14.723349278630852,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:15","end":"17:39","startHours":17.251256360422204,"endHours":17.651256360422202,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:27","end":"17:53","startHours":17.451256360422203,"endHours":17.8774918419521,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:12","end":"18:57","startHours":17.201256360422203,"endHours":18.951256360422203,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:41","startHours":23.9954421968395,"endHours":24.67741896728734,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:13","end":"08:30","startHours":7.221604803704639,"endHours":8.500311248294334,"quality":"inauspicious"},{"name":"Udveg","start":"08:30","end":"09:47","startHours":8.500311248294334,"endHours":9.779017692884029,"quality":"inauspicious"},{"name":"Chala","start":"09:47","end":"11:03","startHours":9.779017692884029,"endHours":11.057724137473725,"quality":"neutral"},{"name":"Labha","start":"11:03","end":"12:20","startHours":11.057724137473725,"endHours":12.336430582063421,"quality":"auspicious"},{"name":"Amṛta","start":"12:20","end":"13:37","startHours":12.336430582063421,"endHours":13.615137026653116,"quality":"auspicious"},{"name":"Kāla","start":"13:37","end":"14:54","startHours":13.615137026653116,"endHours":14.89384347124281,"quality":"inauspicious"},{"name":"Śubha","start":"14:54","end":"16:10","startHours":14.89384347124281,"endHours":16.17254991583251,"quality":"auspicious"},{"name":"Roga","start":"16:10","end":"17:27","startHours":16.17254991583251,"endHours":17.451256360422203,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:27","end":"19:10","startHours":17.451256360422203,"endHours":19.17254991583251,"quality":"inauspicious"},{"name":"Śubha","start":"19:10","end":"20:54","startHours":19.17254991583251,"endHours":20.89384347124281,"quality":"auspicious"},{"name":"Roga","start":"20:54","end":"22:37","startHours":20.89384347124281,"endHours":22.615137026653116,"quality":"inauspicious"},{"name":"Udveg","start":"22:37","end":"00:20","startHours":22.615137026653116,"endHours":24.33643058206342,"quality":"inauspicious"},{"name":"Chala","start":"00:20","end":"02:03","startHours":24.33643058206342,"endHours":26.057724137473727,"quality":"neutral"},{"name":"Labha","start":"02:03","end":"03:47","startHours":26.057724137473727,"endHours":27.779017692884032,"quality":"auspicious"},{"name":"Amṛta","start":"03:47","end":"05:30","startHours":27.779017692884032,"endHours":29.500311248294334,"quality":"auspicious"},{"name":"Kāla","start":"05:30","end":"07:13","startHours":29.500311248294334,"endHours":31.22160480370464,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:13","end":"08:13","startHours":7.221604803704639,"endHours":8.22160480370464,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:13","end":"09:13","startHours":8.22160480370464,"endHours":9.22160480370464,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:13","end":"10:13","startHours":9.22160480370464,"endHours":10.22160480370464,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:13","end":"11:13","startHours":10.22160480370464,"endHours":11.22160480370464,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:13","end":"12:13","startHours":11.22160480370464,"endHours":12.22160480370464,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:13","end":"13:13","startHours":12.22160480370464,"endHours":13.22160480370464,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:13","end":"14:13","startHours":13.22160480370464,"endHours":14.22160480370464,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:13","end":"15:13","startHours":14.22160480370464,"endHours":15.22160480370464,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:13","end":"16:13","startHours":15.22160480370464,"endHours":16.22160480370464,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:13","end":"17:13","startHours":16.22160480370464,"endHours":17.22160480370464,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:13","end":"18:13","startHours":17.22160480370464,"endHours":18.22160480370464,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:13","end":"19:13","startHours":18.22160480370464,"endHours":19.22160480370464,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:13","end":"20:13","startHours":19.22160480370464,"endHours":20.22160480370464,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:13","end":"21:13","startHours":20.22160480370464,"endHours":21.22160480370464,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:13","end":"22:13","startHours":21.22160480370464,"endHours":22.22160480370464,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:13","end":"23:13","startHours":22.22160480370464,"endHours":23.22160480370464,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:13","end":"00:13","startHours":23.22160480370464,"endHours":24.22160480370464,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:13","end":"01:13","startHours":24.22160480370464,"endHours":25.22160480370464,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:13","end":"02:13","startHours":25.22160480370464,"endHours":26.22160480370464,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:13","end":"03:13","startHours":26.22160480370464,"endHours":27.22160480370464,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:13","end":"04:13","startHours":27.22160480370464,"endHours":28.22160480370464,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:13","end":"05:13","startHours":28.22160480370464,"endHours":29.22160480370464,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:13","end":"06:13","startHours":29.22160480370464,"endHours":30.22160480370464,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:13","end":"07:13","startHours":30.22160480370464,"endHours":31.22160480370464,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.1686740347688,"eotMinutes":-3.2562349238053434,"ayanamsa":22.9589}},"calendars":{"vikram_samvat":1992,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1857,"saka_samvatsara":"Yuva","bengali_samvat":1342,"malayalam_era":1111,"nanakshahi_year":466,"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 Ṣaṣṭhī · Vikram 1992 Sarvadhāri · Śaka 1857 Yuva"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 31, 1935 CE · Ṛṣikeśa · Vidhyamitra","description":"December 31, 1935 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 07:13, sūryāsta 17:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1935-12-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1935-12-31","sa":"https://sa.vidhyamitra.com/city/rishikesh/1935-12-31","hi":"https://hi.vidhyamitra.com/city/rishikesh/1935-12-31","x-default":"https://vidhyamitra.com/city/rishikesh/1935-12-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T09:14:20.655Z","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":"2026-05-31T09:14:20.655Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T09:14:20.655Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}