{"id":"vidhyamitra:city-day:rishikesh:2144-12-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2144-12-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2144-12-21","date_display":"December 21, 2144 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":2144,"month":12,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2504494.770833,"kali_year":5246,"ahargana":1916029.2708,"sun":{"sidereal_longitude":242.9607,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":196.3132,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":313.3525,"elapsed_within_tithi_degrees":1.3525},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":196.3132,"elapsed_within_degrees":9.6465},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":79.2739},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2144,"month":12,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2504494.770833,"ahargana":1916029.2708,"kali_year":5246,"ayanamsa_lahiri":25.8781,"grahas":{"sun":{"sidereal_longitude":243.65344000000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":194.51293999999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":1.2968},"mars":{"sidereal_longitude":322.49263999999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":230.41913999999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":100.39334000000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":true},"venus":{"sidereal_longitude":288.00554,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":345.25884,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":179.5487,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":359.5487,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"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":2144,"month":12,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2504494.770833,"kali_year":5246,"ahargana":1916029.2708,"sun":{"sidereal_longitude":242.9607,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":196.3132,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":313.3525,"elapsed_within_tithi_degrees":1.3525},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":196.3132,"elapsed_within_degrees":9.6465},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":79.2739},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.297,"elongation":46.647},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.297,"opposition_distance":133.353}},"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":"07:09","sunsetLocal":"17:22","solarNoonLocal":"12:16","dayLengthHours":10.204806849427332,"dayLengthDisplay":"10 Hours 12 Mins 17 Secs","nightLengthDisplay":"13 Hours 47 Mins 43 Secs","moonriseLocal":"03:32","moonsetLocal":"14:26","rahuKala":{"name":"Rāhu Kāla","start":"08:26","end":"09:42","startHours":8.432313608015713,"endHours":9.707914464194129,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:59","end":"12:16","startHours":10.983515320372545,"endHours":12.259116176550961,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:32","end":"14:49","startHours":13.534717032729379,"endHours":14.810317888907795,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:53","startHours":9.537834350037006,"endHours":9.87799457835125,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:35","end":"07:51","startHours":7.581913037230102,"endHours":7.8540412198814975,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:36","startHours":11.918955948236718,"endHours":12.599276404865208,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:48","end":"06:29","startHours":5.7960718385803185,"endHours":6.476392295208807,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:09","startHours":6.306312181051685,"endHours":7.156712751837296,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:38","startHours":13.959917318122184,"endHours":14.640237774750672,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:10","end":"17:34","startHours":17.16151960126463,"endHours":17.561519601264628,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:22","end":"17:47","startHours":17.36151960126463,"endHours":17.786719886657433,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:07","end":"18:52","startHours":17.11151960126463,"endHours":18.86151960126463,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:36","startHours":23.918955948236718,"endHours":24.599276404865204,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:09","end":"08:26","startHours":7.156712751837296,"endHours":8.432313608015713,"quality":"auspicious"},{"name":"Kāla","start":"08:26","end":"09:42","startHours":8.432313608015713,"endHours":9.707914464194129,"quality":"inauspicious"},{"name":"Śubha","start":"09:42","end":"10:59","startHours":9.707914464194129,"endHours":10.983515320372545,"quality":"auspicious"},{"name":"Roga","start":"10:59","end":"12:16","startHours":10.983515320372545,"endHours":12.259116176550961,"quality":"inauspicious"},{"name":"Udveg","start":"12:16","end":"13:32","startHours":12.259116176550961,"endHours":13.534717032729379,"quality":"inauspicious"},{"name":"Chala","start":"13:32","end":"14:49","startHours":13.534717032729379,"endHours":14.810317888907795,"quality":"neutral"},{"name":"Labha","start":"14:49","end":"16:05","startHours":14.810317888907795,"endHours":16.08591874508621,"quality":"auspicious"},{"name":"Amṛta","start":"16:05","end":"17:22","startHours":16.08591874508621,"endHours":17.36151960126463,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:22","end":"19:05","startHours":17.36151960126463,"endHours":19.08591874508621,"quality":"neutral"},{"name":"Labha","start":"19:05","end":"20:49","startHours":19.08591874508621,"endHours":20.810317888907797,"quality":"auspicious"},{"name":"Amṛta","start":"20:49","end":"22:32","startHours":20.810317888907797,"endHours":22.53471703272938,"quality":"auspicious"},{"name":"Kāla","start":"22:32","end":"00:16","startHours":22.53471703272938,"endHours":24.25911617655096,"quality":"inauspicious"},{"name":"Śubha","start":"00:16","end":"01:59","startHours":24.25911617655096,"endHours":25.983515320372547,"quality":"auspicious"},{"name":"Roga","start":"01:59","end":"03:42","startHours":25.983515320372547,"endHours":27.70791446419413,"quality":"inauspicious"},{"name":"Udveg","start":"03:42","end":"05:26","startHours":27.70791446419413,"endHours":29.43231360801571,"quality":"inauspicious"},{"name":"Chala","start":"05:26","end":"07:09","startHours":29.43231360801571,"endHours":31.156712751837297,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:09","end":"08:09","startHours":7.156712751837296,"endHours":8.156712751837297,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:09","end":"09:09","startHours":8.156712751837297,"endHours":9.156712751837297,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:09","end":"10:09","startHours":9.156712751837297,"endHours":10.156712751837297,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:09","end":"11:09","startHours":10.156712751837297,"endHours":11.156712751837297,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:09","end":"12:09","startHours":11.156712751837297,"endHours":12.156712751837297,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:09","end":"13:09","startHours":12.156712751837297,"endHours":13.156712751837297,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:09","end":"14:09","startHours":13.156712751837297,"endHours":14.156712751837297,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:09","end":"15:09","startHours":14.156712751837297,"endHours":15.156712751837297,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:09","end":"16:09","startHours":15.156712751837297,"endHours":16.156712751837297,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:09","end":"17:09","startHours":16.156712751837297,"endHours":17.156712751837297,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:09","end":"18:09","startHours":17.156712751837297,"endHours":18.156712751837297,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:09","end":"19:09","startHours":18.156712751837297,"endHours":19.156712751837297,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:09","end":"20:09","startHours":19.156712751837297,"endHours":20.156712751837297,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:09","end":"21:09","startHours":20.156712751837297,"endHours":21.156712751837297,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:09","end":"22:09","startHours":21.156712751837297,"endHours":22.156712751837297,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:09","end":"23:09","startHours":22.156712751837297,"endHours":23.156712751837297,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:09","end":"00:09","startHours":23.156712751837297,"endHours":24.156712751837297,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:09","end":"01:09","startHours":24.156712751837297,"endHours":25.156712751837297,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:09","end":"02:09","startHours":25.156712751837297,"endHours":26.156712751837297,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:09","end":"03:09","startHours":26.156712751837297,"endHours":27.156712751837297,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:09","end":"04:09","startHours":27.156712751837297,"endHours":28.156712751837297,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:09","end":"05:09","startHours":28.156712751837297,"endHours":29.156712751837297,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:09","end":"06:09","startHours":29.156712751837297,"endHours":30.156712751837297,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:09","end":"07:09","startHours":30.156712751837297,"endHours":31.156712751837297,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.435669818787765,"eotMinutes":1.382629406942221,"ayanamsa":25.8781}},"calendars":{"vikram_samvat":2201,"vikram_samvatsara":"Piṅgala","saka_samvat":2066,"saka_samvatsara":"Krodhi","bengali_samvat":1551,"malayalam_era":1320,"nanakshahi_year":675,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","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 Kṛṣṇa Dvādaśī · Vikram 2201 Piṅgala · Śaka 2066 Krodhi"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 21, 2144 CE · Ṛṣikeśa · Vidhyamitra","description":"December 21, 2144 CE for Ṛṣikeśa: Kṛṣṇa Dvādaśī, sūryodaya 07:09, sūryāsta 17:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2144-12-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2144-12-21","sa":"https://sa.vidhyamitra.com/city/rishikesh/2144-12-21","hi":"https://hi.vidhyamitra.com/city/rishikesh/2144-12-21","x-default":"https://vidhyamitra.com/city/rishikesh/2144-12-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:25:32.886Z","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":"2026-05-31T17:25:32.886Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:25:32.886Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}