{"id":"vidhyamitra:city-day:rishikesh:1989-02-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1989-02-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1989-02-17","date_display":"February 17, 1989 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":1989,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447574.770833,"kali_year":5090,"ahargana":1859109.2708,"sun":{"sidereal_longitude":304.7879,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":82.965,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":138.1771,"elapsed_within_tithi_degrees":6.1771},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":82.965,"elapsed_within_degrees":2.965},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.7528},"karana":{"half_tithi_index":23,"name":"Bālava"},"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":1989,"month":2,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447574.770833,"ahargana":1859109.2708,"kali_year":5090,"ayanamsa_lahiri":23.7012,"grahas":{"sun":{"sidereal_longitude":304.65320199999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":84.03230199999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false,"latitude":3.5677},"mars":{"sidereal_longitude":23.045202000000018,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":278.41510199999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":34.103902000000005,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":293.1399019999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":256.71180200000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":315.4442,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":135.4442,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":1989,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447574.770833,"kali_year":5090,"ahargana":1859109.2708,"sun":{"sidereal_longitude":304.7879,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":82.965,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":138.1771,"elapsed_within_tithi_degrees":6.1771},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":82.965,"elapsed_within_degrees":2.965},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.7528},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.568,"elongation":138.177},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.568,"opposition_distance":41.823}},"eclipse_window_40days":[{"offset_days":19,"type":"solar","occurs":true,"moon_latitude":0.966,"elongation":2.908}]},"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":"06:56","sunsetLocal":"18:07","solarNoonLocal":"12:31","dayLengthHours":11.185293129438186,"dayLengthDisplay":"11 Hours 11 Mins 07 Secs","nightLengthDisplay":"12 Hours 48 Mins 53 Secs","moonriseLocal":"14:51","moonsetLocal":"04:47","rahuKala":{"name":"Rāhu Kāla","start":"11:08","end":"12:31","startHours":11.12554116467583,"endHours":12.523702805855603,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:19","end":"16:43","startHours":15.320026088215151,"endHours":16.718187729394923,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:20","end":"09:44","startHours":8.329217882316284,"endHours":9.727379523496058,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:55","startHours":9.540957971338754,"endHours":9.91380107565336,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:42","startHours":7.397110121529768,"endHours":7.695384604981453,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.150859701540996,"endHours":12.89654591017021,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:11","startHours":5.439683823878086,"endHours":6.185370032507298,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:00","end":"06:56","startHours":5.998948480349995,"endHours":6.931056241136511,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:08","startHours":14.387918327428636,"endHours":15.133604536057849,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:55","end":"18:19","startHours":17.916349370574697,"endHours":18.316349370574695,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:07","end":"18:35","startHours":18.116349370574696,"endHours":18.582403250967953,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:52","end":"19:37","startHours":17.866349370574696,"endHours":19.616349370574696,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.150859701541,"endHours":24.896545910170207,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:56","end":"08:20","startHours":6.931056241136511,"endHours":8.329217882316284,"quality":"neutral"},{"name":"Labha","start":"08:20","end":"09:44","startHours":8.329217882316284,"endHours":9.727379523496058,"quality":"auspicious"},{"name":"Amṛta","start":"09:44","end":"11:08","startHours":9.727379523496058,"endHours":11.12554116467583,"quality":"auspicious"},{"name":"Kāla","start":"11:08","end":"12:31","startHours":11.12554116467583,"endHours":12.523702805855603,"quality":"inauspicious"},{"name":"Śubha","start":"12:31","end":"13:55","startHours":12.523702805855603,"endHours":13.921864447035377,"quality":"auspicious"},{"name":"Roga","start":"13:55","end":"15:19","startHours":13.921864447035377,"endHours":15.320026088215151,"quality":"inauspicious"},{"name":"Udveg","start":"15:19","end":"16:43","startHours":15.320026088215151,"endHours":16.718187729394923,"quality":"inauspicious"},{"name":"Chala","start":"16:43","end":"18:07","startHours":16.718187729394923,"endHours":18.116349370574696,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:07","end":"19:43","startHours":18.116349370574696,"endHours":19.718187729394923,"quality":"inauspicious"},{"name":"Udveg","start":"19:43","end":"21:19","startHours":19.718187729394923,"endHours":21.32002608821515,"quality":"inauspicious"},{"name":"Chala","start":"21:19","end":"22:55","startHours":21.32002608821515,"endHours":22.921864447035375,"quality":"neutral"},{"name":"Labha","start":"22:55","end":"00:31","startHours":22.921864447035375,"endHours":24.523702805855603,"quality":"auspicious"},{"name":"Amṛta","start":"00:31","end":"02:08","startHours":24.523702805855603,"endHours":26.12554116467583,"quality":"auspicious"},{"name":"Kāla","start":"02:08","end":"03:44","startHours":26.12554116467583,"endHours":27.727379523496055,"quality":"inauspicious"},{"name":"Śubha","start":"03:44","end":"05:20","startHours":27.727379523496055,"endHours":29.329217882316282,"quality":"auspicious"},{"name":"Roga","start":"05:20","end":"06:56","startHours":29.329217882316282,"endHours":30.93105624113651,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:56","end":"07:56","startHours":6.931056241136511,"endHours":7.931056241136511,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:56","end":"08:56","startHours":7.931056241136511,"endHours":8.93105624113651,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:56","end":"09:56","startHours":8.93105624113651,"endHours":9.93105624113651,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:56","end":"10:56","startHours":9.93105624113651,"endHours":10.93105624113651,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:56","end":"11:56","startHours":10.93105624113651,"endHours":11.93105624113651,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:56","end":"12:56","startHours":11.93105624113651,"endHours":12.93105624113651,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:56","end":"13:56","startHours":12.93105624113651,"endHours":13.93105624113651,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:56","end":"14:56","startHours":13.93105624113651,"endHours":14.93105624113651,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:56","end":"15:56","startHours":14.93105624113651,"endHours":15.93105624113651,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:56","end":"16:56","startHours":15.93105624113651,"endHours":16.93105624113651,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:56","end":"17:56","startHours":16.93105624113651,"endHours":17.93105624113651,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:56","end":"18:56","startHours":17.93105624113651,"endHours":18.93105624113651,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:56","end":"19:56","startHours":18.93105624113651,"endHours":19.93105624113651,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:56","end":"20:56","startHours":19.93105624113651,"endHours":20.93105624113651,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:56","end":"21:56","startHours":20.93105624113651,"endHours":21.93105624113651,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:56","end":"22:56","startHours":21.93105624113651,"endHours":22.93105624113651,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:56","end":"23:56","startHours":22.93105624113651,"endHours":23.93105624113651,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:56","end":"00:56","startHours":23.93105624113651,"endHours":24.93105624113651,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:56","end":"01:56","startHours":24.93105624113651,"endHours":25.93105624113651,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:56","end":"02:56","startHours":25.93105624113651,"endHours":26.93105624113651,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:56","end":"03:56","startHours":26.93105624113651,"endHours":27.93105624113651,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:56","end":"04:56","startHours":27.93105624113651,"endHours":28.93105624113651,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:56","end":"05:56","startHours":28.93105624113651,"endHours":29.93105624113651,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:56","end":"06:56","startHours":29.93105624113651,"endHours":30.93105624113651,"planetary_lord":"Mars"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.044758201806284,"eotMinutes":-14.492568351336082,"ayanamsa":23.7012}},"calendars":{"vikram_samvat":2046,"vikram_samvatsara":"Citrabhānu","saka_samvat":1911,"saka_samvatsara":"Śukla","bengali_samvat":1396,"malayalam_era":1165,"nanakshahi_year":520,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","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":"Māgha Śukla Dvādaśī · Vikram 2046 Citrabhānu · Śaka 1911 Śukla"},"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"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 17, 1989 CE · Ṛṣikeśa · Vidhyamitra","description":"February 17, 1989 CE for Ṛṣikeśa: Śukla Dvādaśī, sūryodaya 06:56, sūryāsta 18:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1989-02-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1989-02-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/1989-02-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/1989-02-17","x-default":"https://vidhyamitra.com/city/rishikesh/1989-02-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T10:21:54.051Z","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":"2026-06-02T10:21:54.051Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T10:21:54.051Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}