{"id":"vidhyamitra:city-day:rishikesh:2097-04-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2097-04-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2097-04-20","date_display":"April 20, 2097 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":2097,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2487083.770833,"kali_year":5199,"ahargana":1898618.2708,"sun":{"sidereal_longitude":5.4559,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":106.027,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.5711,"elapsed_within_tithi_degrees":4.5711},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":106.027,"elapsed_within_degrees":12.6937},"yoga":{"number":9,"name":"Śūla","sum_longitude":111.4829},"karana":{"half_tithi_index":16,"name":"Bālava"},"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":2097,"month":4,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2487083.770833,"ahargana":1898618.2708,"kali_year":5199,"ayanamsa_lahiri":25.2122,"grahas":{"sun":{"sidereal_longitude":5.569667999999979,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":107.90016800000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false,"latitude":4.475},"mars":{"sidereal_longitude":263.905068,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":339.032468,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":76.49726800000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":320.048268,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":135.84076800000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":22.0672,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":202.0672,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2097,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2487083.770833,"kali_year":5199,"ahargana":1898618.2708,"sun":{"sidereal_longitude":5.4559,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":106.027,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.5711,"elapsed_within_tithi_degrees":4.5711},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":106.027,"elapsed_within_degrees":12.6937},"yoga":{"number":9,"name":"Śūla","sum_longitude":111.4829},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.475,"elongation":100.571},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.475,"opposition_distance":79.429}},"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":"05:44","sunsetLocal":"18:48","solarNoonLocal":"12:16","dayLengthHours":13.054634456791092,"dayLengthDisplay":"13 Hours 03 Mins 17 Secs","nightLengthDisplay":"10 Hours 56 Mins 43 Secs","moonriseLocal":"12:22","moonsetLocal":"01:49","rahuKala":{"name":"Rāhu Kāla","start":"09:00","end":"10:38","startHours":9.002371994708213,"endHours":10.6342013018071,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:54","end":"15:32","startHours":13.897859916004872,"endHours":15.529689223103759,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:44","end":"07:22","startHours":5.738713380510441,"endHours":7.370542687609327,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:47","end":"09:13","startHours":8.784794753761695,"endHours":9.219949235654731,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:38","startHours":6.282656482876736,"endHours":6.630780068391165,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:42","startHours":11.83087612701295,"endHours":12.701185090799022,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:00","end":"04:52","startHours":3.998095452938295,"endHours":4.868404416724368,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:39","end":"05:44","startHours":4.65082717577785,"endHours":5.738713380510441,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:19","startHours":14.441803018371168,"endHours":15.31211198215724,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:36","end":"19:00","startHours":18.593347837301533,"endHours":18.99334783730153,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:48","end":"19:20","startHours":18.793347837301532,"endHours":19.337290939667827,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:33","end":"20:18","startHours":18.543347837301532,"endHours":20.293347837301532,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:42","startHours":23.83087612701295,"endHours":24.701185090799022,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:44","end":"07:22","startHours":5.738713380510441,"endHours":7.370542687609327,"quality":"inauspicious"},{"name":"Śubha","start":"07:22","end":"09:00","startHours":7.370542687609327,"endHours":9.002371994708213,"quality":"auspicious"},{"name":"Roga","start":"09:00","end":"10:38","startHours":9.002371994708213,"endHours":10.6342013018071,"quality":"inauspicious"},{"name":"Udveg","start":"10:38","end":"12:16","startHours":10.6342013018071,"endHours":12.266030608905986,"quality":"inauspicious"},{"name":"Chala","start":"12:16","end":"13:54","startHours":12.266030608905986,"endHours":13.897859916004872,"quality":"neutral"},{"name":"Labha","start":"13:54","end":"15:32","startHours":13.897859916004872,"endHours":15.529689223103759,"quality":"auspicious"},{"name":"Amṛta","start":"15:32","end":"17:10","startHours":15.529689223103759,"endHours":17.161518530202645,"quality":"auspicious"},{"name":"Kāla","start":"17:10","end":"18:48","startHours":17.161518530202645,"endHours":18.793347837301532,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:48","end":"20:10","startHours":18.793347837301532,"endHours":20.161518530202645,"quality":"auspicious"},{"name":"Amṛta","start":"20:10","end":"21:32","startHours":20.161518530202645,"endHours":21.52968922310376,"quality":"auspicious"},{"name":"Kāla","start":"21:32","end":"22:54","startHours":21.52968922310376,"endHours":22.897859916004872,"quality":"inauspicious"},{"name":"Śubha","start":"22:54","end":"00:16","startHours":22.897859916004872,"endHours":24.266030608905986,"quality":"auspicious"},{"name":"Roga","start":"00:16","end":"01:38","startHours":24.266030608905986,"endHours":25.6342013018071,"quality":"inauspicious"},{"name":"Udveg","start":"01:38","end":"03:00","startHours":25.6342013018071,"endHours":27.002371994708213,"quality":"inauspicious"},{"name":"Chala","start":"03:00","end":"04:22","startHours":27.002371994708213,"endHours":28.370542687609326,"quality":"neutral"},{"name":"Labha","start":"04:22","end":"05:44","startHours":28.370542687609326,"endHours":29.73871338051044,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:44","end":"06:44","startHours":5.738713380510441,"endHours":6.738713380510441,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:44","end":"07:44","startHours":6.738713380510441,"endHours":7.738713380510441,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:44","end":"08:44","startHours":7.738713380510441,"endHours":8.73871338051044,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:44","end":"09:44","startHours":8.73871338051044,"endHours":9.73871338051044,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:44","end":"10:44","startHours":9.73871338051044,"endHours":10.73871338051044,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:44","end":"11:44","startHours":10.73871338051044,"endHours":11.73871338051044,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:44","end":"12:44","startHours":11.73871338051044,"endHours":12.73871338051044,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:44","end":"13:44","startHours":12.73871338051044,"endHours":13.73871338051044,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:44","end":"14:44","startHours":13.73871338051044,"endHours":14.73871338051044,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:44","end":"15:44","startHours":14.73871338051044,"endHours":15.73871338051044,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:44","end":"16:44","startHours":15.73871338051044,"endHours":16.73871338051044,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:44","end":"17:44","startHours":16.73871338051044,"endHours":17.73871338051044,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:44","end":"18:44","startHours":17.73871338051044,"endHours":18.73871338051044,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:44","end":"19:44","startHours":18.73871338051044,"endHours":19.73871338051044,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:44","end":"20:44","startHours":19.73871338051044,"endHours":20.73871338051044,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:44","end":"21:44","startHours":20.73871338051044,"endHours":21.73871338051044,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:44","end":"22:44","startHours":21.73871338051044,"endHours":22.73871338051044,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:44","end":"23:44","startHours":22.73871338051044,"endHours":23.73871338051044,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:44","end":"00:44","startHours":23.73871338051044,"endHours":24.73871338051044,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:44","end":"01:44","startHours":24.73871338051044,"endHours":25.73871338051044,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:44","end":"02:44","startHours":25.73871338051044,"endHours":26.73871338051044,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:44","end":"03:44","startHours":26.73871338051044,"endHours":27.73871338051044,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:44","end":"04:44","startHours":27.73871338051044,"endHours":28.73871338051044,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:44","end":"05:44","startHours":28.73871338051044,"endHours":29.73871338051044,"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.744510231008217,"eotMinutes":0.9677634656409275,"ayanamsa":25.2122}},"calendars":{"vikram_samvat":2154,"vikram_samvatsara":"Pramoda","saka_samvat":2019,"saka_samvatsara":"Piṅgala","bengali_samvat":1504,"malayalam_era":1273,"nanakshahi_year":628,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Navamī · Vikram 2154 Pramoda · Śaka 2019 Piṅgala"},"festivals":[{"id":"rama-navami","name":"Rāma Navamī","name_sanskrit":"राम नवमी","tradition":"Vaishnava","associated_deity":"Rāma (18th avatāra of Krishna)","deity_avatara_index":18,"significance":"Bhagavān Rāma's birth at Ayodhyā. Sūryavaṃśa's most exalted moment.","vrata":true,"primary_observance":"Madhyāhna (noon) abhiṣekam in Ayodhyā tradition","detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":1,"related_chart":"rama","historical_anchor":{"event":"Bhagavān Rāma's birth at Ayodhyā","date_julian":"-1626101-04-03","location":"Ayodhyā"},"sources":["Vālmīki Rāmāyaṇa, Bāla-Kāṇḍa 1.18"]}],"todays_walk":{"walk":{"id":"rama-navami-walk","name":"Rāma Navamī Walk","name_sanskrit":"राम नवमी यात्रा","type":"festival","description":"Vālmīki Bāla-Kāṇḍa selections + BG 4.7-8 (avatāra principle).","step_count":9,"url":"/walk/rama-navami-walk"},"reason":"Today is Rāma Navamī — its dedicated walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","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 April 20, 2097 CE · Ṛṣikeśa · Vidhyamitra","description":"April 20, 2097 CE for Ṛṣikeśa: Śukla Navamī, sūryodaya 05:44, sūryāsta 18:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2097-04-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2097-04-20","sa":"https://sa.vidhyamitra.com/city/rishikesh/2097-04-20","hi":"https://hi.vidhyamitra.com/city/rishikesh/2097-04-20","x-default":"https://vidhyamitra.com/city/rishikesh/2097-04-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:46:28.786Z","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":"2026-05-31T03:46:28.786Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:46:28.786Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}