{"id":"vidhyamitra:city-day:rishikesh:1971-02-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1971-02-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-02-27","date_display":"February 27, 1971 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":1971,"month":2,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441009.770833,"kali_year":5072,"ahargana":1852544.2708,"sun":{"sidereal_longitude":314.551,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":335.8437,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.2927,"elapsed_within_tithi_degrees":9.2927},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":335.8437,"elapsed_within_degrees":2.5104},"yoga":{"number":22,"name":"Sādhya","sum_longitude":290.3948},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1971,"month":2,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441009.770833,"ahargana":1852544.2708,"kali_year":5072,"ayanamsa_lahiri":23.4501,"grahas":{"sun":{"sidereal_longitude":314.33723399999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":337.569634,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":2.4197},"mars":{"sidereal_longitude":238.73573399999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":308.213534,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":222.84963400000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":271.07783399999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":24.142534000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":303.2895,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":123.2895,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":1971,"month":2,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441009.770833,"kali_year":5072,"ahargana":1852544.2708,"sun":{"sidereal_longitude":314.551,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":335.8437,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.2927,"elapsed_within_tithi_degrees":9.2927},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":335.8437,"elapsed_within_degrees":2.5104},"yoga":{"number":22,"name":"Sādhya","sum_longitude":290.3948},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.42,"elongation":21.293},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.42,"opposition_distance":158.707}},"eclipse_window_40days":[{"offset_days":-17,"type":"lunar","occurs":true,"moon_latitude":0.69,"opposition_distance":1.965}]},"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":"06:47","sunsetLocal":"18:14","solarNoonLocal":"12:30","dayLengthHours":11.45620897843785,"dayLengthDisplay":"11 Hours 27 Mins 22 Secs","nightLengthDisplay":"12 Hours 32 Mins 38 Secs","moonriseLocal":"08:00","moonsetLocal":"20:07","rahuKala":{"name":"Rāhu Kāla","start":"09:38","end":"11:04","startHours":9.641324947979278,"endHours":11.07335107028401,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:56","end":"15:22","startHours":13.937403314893473,"endHours":15.369429437198203,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:47","end":"08:13","startHours":6.777272703369817,"endHours":8.209298825674548,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:50","startHours":9.450388131671982,"endHours":9.832261764286576,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:34","startHours":7.254614744138061,"endHours":7.560113650229737,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:07","end":"12:53","startHours":12.123503559974148,"endHours":12.887250825203337,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:15","end":"06:01","startHours":5.249778172911436,"endHours":6.0135254381406265,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:49","end":"06:47","startHours":5.822588621833329,"endHours":6.777272703369817,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:11","startHours":14.414745355661717,"endHours":15.178492620890907,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:02","end":"18:26","startHours":18.033481681807668,"endHours":18.433481681807667,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:14","end":"18:43","startHours":18.233481681807667,"endHours":18.71082372257591,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:59","end":"19:44","startHours":17.983481681807667,"endHours":19.733481681807667,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:07","end":"00:53","startHours":24.123503559974147,"endHours":24.88725082520334,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:47","end":"08:13","startHours":6.777272703369817,"endHours":8.209298825674548,"quality":"inauspicious"},{"name":"Śubha","start":"08:13","end":"09:38","startHours":8.209298825674548,"endHours":9.641324947979278,"quality":"auspicious"},{"name":"Roga","start":"09:38","end":"11:04","startHours":9.641324947979278,"endHours":11.07335107028401,"quality":"inauspicious"},{"name":"Udveg","start":"11:04","end":"12:30","startHours":11.07335107028401,"endHours":12.505377192588742,"quality":"inauspicious"},{"name":"Chala","start":"12:30","end":"13:56","startHours":12.505377192588742,"endHours":13.937403314893473,"quality":"neutral"},{"name":"Labha","start":"13:56","end":"15:22","startHours":13.937403314893473,"endHours":15.369429437198203,"quality":"auspicious"},{"name":"Amṛta","start":"15:22","end":"16:48","startHours":15.369429437198203,"endHours":16.801455559502937,"quality":"auspicious"},{"name":"Kāla","start":"16:48","end":"18:14","startHours":16.801455559502937,"endHours":18.233481681807667,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:14","end":"19:48","startHours":18.233481681807667,"endHours":19.801455559502937,"quality":"auspicious"},{"name":"Amṛta","start":"19:48","end":"21:22","startHours":19.801455559502937,"endHours":21.369429437198207,"quality":"auspicious"},{"name":"Kāla","start":"21:22","end":"22:56","startHours":21.369429437198207,"endHours":22.937403314893473,"quality":"inauspicious"},{"name":"Śubha","start":"22:56","end":"00:30","startHours":22.937403314893473,"endHours":24.505377192588742,"quality":"auspicious"},{"name":"Roga","start":"00:30","end":"02:04","startHours":24.505377192588742,"endHours":26.073351070284012,"quality":"inauspicious"},{"name":"Udveg","start":"02:04","end":"03:38","startHours":26.073351070284012,"endHours":27.641324947979278,"quality":"inauspicious"},{"name":"Chala","start":"03:38","end":"05:13","startHours":27.641324947979278,"endHours":29.209298825674548,"quality":"neutral"},{"name":"Labha","start":"05:13","end":"06:47","startHours":29.209298825674548,"endHours":30.777272703369817,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.777272703369817,"endHours":7.777272703369817,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.777272703369817,"endHours":8.777272703369817,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.777272703369817,"endHours":9.777272703369817,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.777272703369817,"endHours":10.777272703369817,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.777272703369817,"endHours":11.777272703369817,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.777272703369817,"endHours":12.777272703369817,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.777272703369817,"endHours":13.777272703369817,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.777272703369817,"endHours":14.777272703369817,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.777272703369817,"endHours":15.777272703369817,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.777272703369817,"endHours":16.777272703369817,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.777272703369817,"endHours":17.777272703369817,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.777272703369817,"endHours":18.777272703369817,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.777272703369817,"endHours":19.777272703369817,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.777272703369817,"endHours":20.777272703369817,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.777272703369817,"endHours":21.777272703369817,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.777272703369817,"endHours":22.777272703369817,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.777272703369817,"endHours":23.777272703369817,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.777272703369817,"endHours":24.777272703369817,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.777272703369817,"endHours":25.777272703369817,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.777272703369817,"endHours":26.777272703369817,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.777272703369817,"endHours":27.777272703369817,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.777272703369817,"endHours":28.777272703369817,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.777272703369817,"endHours":29.777272703369817,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.777272703369817,"endHours":30.777272703369817,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.647844637843665,"eotMinutes":-13.393031555324574,"ayanamsa":23.4501}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Dvitīyā · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 February 27, 1971 CE · Ṛṣikeśa · Vidhyamitra","description":"February 27, 1971 CE for Ṛṣikeśa: Śukla Dvitīyā, sūryodaya 06:47, sūryāsta 18:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1971-02-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1971-02-27","sa":"https://sa.vidhyamitra.com/city/rishikesh/1971-02-27","hi":"https://hi.vidhyamitra.com/city/rishikesh/1971-02-27","x-default":"https://vidhyamitra.com/city/rishikesh/1971-02-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T01:47:18.932Z","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":"2026-05-31T01:47:18.932Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T01:47:18.932Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}