{"id":"vidhyamitra:city-day:mathura:1997-02-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1997-02-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-02-17","date_display":"February 17, 1997 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":1997,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450496.770833,"kali_year":5098,"ahargana":1862031.2708,"sun":{"sidereal_longitude":304.7169,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":62.9787,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":118.2618,"elapsed_within_tithi_degrees":10.2618},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":62.9787,"elapsed_within_degrees":9.6454},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":7.6956},"karana":{"half_tithi_index":19,"name":"Gara"},"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":1997,"month":2,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450496.770833,"ahargana":1862031.2708,"kali_year":5098,"ayanamsa_lahiri":23.8129,"grahas":{"sun":{"sidereal_longitude":304.60096,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":65.52175999999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":-4.4599},"mars":{"sidereal_longitude":161.28175999999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":287.9809600000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":282.37946,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"venus":{"sidereal_longitude":293.60766,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":341.41176,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":160.6225,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":340.6225,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"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":1997,"month":2,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450496.770833,"kali_year":5098,"ahargana":1862031.2708,"sun":{"sidereal_longitude":304.7169,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":62.9787,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":118.2618,"elapsed_within_tithi_degrees":10.2618},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":62.9787,"elapsed_within_degrees":9.6454},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":7.6956},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.46,"elongation":118.262},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.46,"opposition_distance":61.738}},"eclipse_window_40days":[{"offset_days":20,"type":"solar","occurs":true,"moon_latitude":1.134,"elongation":0.078}]},"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:55","sunsetLocal":"18:12","solarNoonLocal":"12:34","dayLengthHours":11.280162999314449,"dayLengthDisplay":"11 Hours 16 Mins 49 Secs","nightLengthDisplay":"12 Hours 43 Mins 11 Secs","moonriseLocal":"13:42","moonsetLocal":"03:33","rahuKala":{"name":"Rāhu Kāla","start":"08:20","end":"09:45","startHours":8.333235014446016,"endHours":9.743255389360321,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:09","end":"12:34","startHours":11.153275764274628,"endHours":12.563296139188935,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:58","end":"15:23","startHours":13.97331651410324,"endHours":15.383336889017546,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:33","end":"09:56","startHours":9.55525267270508,"endHours":9.931258106015562,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:42","startHours":7.393221431169812,"endHours":7.694025777818197,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:11","end":"12:56","startHours":12.187290705878453,"endHours":12.939301572499417,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:25","end":"06:10","startHours":5.4191929062897835,"endHours":6.171203772910747,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:59","end":"06:55","startHours":5.983201056255506,"endHours":6.92321463953171,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:12","startHours":14.443323305741343,"endHours":15.195334172362307,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:00","end":"18:24","startHours":18.00337763884616,"endHours":18.40337763884616,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:12","end":"18:40","startHours":18.20337763884616,"endHours":18.673384430484262,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:57","end":"19:42","startHours":17.95337763884616,"endHours":19.70337763884616,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:11","end":"00:56","startHours":24.187290705878453,"endHours":24.939301572499417,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:55","end":"08:20","startHours":6.92321463953171,"endHours":8.333235014446016,"quality":"auspicious"},{"name":"Kāla","start":"08:20","end":"09:45","startHours":8.333235014446016,"endHours":9.743255389360321,"quality":"inauspicious"},{"name":"Śubha","start":"09:45","end":"11:09","startHours":9.743255389360321,"endHours":11.153275764274628,"quality":"auspicious"},{"name":"Roga","start":"11:09","end":"12:34","startHours":11.153275764274628,"endHours":12.563296139188935,"quality":"inauspicious"},{"name":"Udveg","start":"12:34","end":"13:58","startHours":12.563296139188935,"endHours":13.97331651410324,"quality":"inauspicious"},{"name":"Chala","start":"13:58","end":"15:23","startHours":13.97331651410324,"endHours":15.383336889017546,"quality":"neutral"},{"name":"Labha","start":"15:23","end":"16:48","startHours":15.383336889017546,"endHours":16.793357263931853,"quality":"auspicious"},{"name":"Amṛta","start":"16:48","end":"18:12","startHours":16.793357263931853,"endHours":18.20337763884616,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:12","end":"19:48","startHours":18.20337763884616,"endHours":19.793357263931853,"quality":"neutral"},{"name":"Labha","start":"19:48","end":"21:23","startHours":19.793357263931853,"endHours":21.38333688901755,"quality":"auspicious"},{"name":"Amṛta","start":"21:23","end":"22:58","startHours":21.38333688901755,"endHours":22.973316514103242,"quality":"auspicious"},{"name":"Kāla","start":"22:58","end":"00:34","startHours":22.973316514103242,"endHours":24.563296139188935,"quality":"inauspicious"},{"name":"Śubha","start":"00:34","end":"02:09","startHours":24.563296139188935,"endHours":26.15327576427463,"quality":"auspicious"},{"name":"Roga","start":"02:09","end":"03:45","startHours":26.15327576427463,"endHours":27.74325538936032,"quality":"inauspicious"},{"name":"Udveg","start":"03:45","end":"05:20","startHours":27.74325538936032,"endHours":29.333235014446018,"quality":"inauspicious"},{"name":"Chala","start":"05:20","end":"06:55","startHours":29.333235014446018,"endHours":30.92321463953171,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:55","end":"07:55","startHours":6.92321463953171,"endHours":7.92321463953171,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:55","end":"08:55","startHours":7.92321463953171,"endHours":8.923214639531711,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:55","end":"09:55","startHours":8.923214639531711,"endHours":9.923214639531711,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:55","end":"10:55","startHours":9.923214639531711,"endHours":10.923214639531711,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:55","end":"11:55","startHours":10.923214639531711,"endHours":11.923214639531711,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:55","end":"12:55","startHours":11.923214639531711,"endHours":12.923214639531711,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:55","end":"13:55","startHours":12.923214639531711,"endHours":13.923214639531711,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:55","end":"14:55","startHours":13.923214639531711,"endHours":14.923214639531711,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:55","end":"15:55","startHours":14.923214639531711,"endHours":15.923214639531711,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:55","end":"16:55","startHours":15.923214639531711,"endHours":16.92321463953171,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:55","end":"17:55","startHours":16.92321463953171,"endHours":17.92321463953171,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:55","end":"18:55","startHours":17.92321463953171,"endHours":18.92321463953171,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:55","end":"19:55","startHours":18.92321463953171,"endHours":19.92321463953171,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:55","end":"20:55","startHours":19.92321463953171,"endHours":20.92321463953171,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:55","end":"21:55","startHours":20.92321463953171,"endHours":21.92321463953171,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:55","end":"22:55","startHours":21.92321463953171,"endHours":22.92321463953171,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:55","end":"23:55","startHours":22.92321463953171,"endHours":23.92321463953171,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:55","end":"00:55","startHours":23.92321463953171,"endHours":24.92321463953171,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:55","end":"01:55","startHours":24.92321463953171,"endHours":25.92321463953171,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:55","end":"02:55","startHours":25.92321463953171,"endHours":26.92321463953171,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:55","end":"03:55","startHours":26.92321463953171,"endHours":27.92321463953171,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:55","end":"04:55","startHours":27.92321463953171,"endHours":28.92321463953171,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:55","end":"05:55","startHours":28.92321463953171,"endHours":29.92321463953171,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:55","end":"06:55","startHours":29.92321463953171,"endHours":30.92321463953171,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-12.024167133076025,"eotMinutes":-14.492568351336082,"ayanamsa":23.8129}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Daśamī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"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":"mathura"},"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, 1997 CE · Mathurā · Vidhyamitra","description":"February 17, 1997 CE for Mathurā: Śukla Daśamī, sūryodaya 06:55, sūryāsta 18:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1997-02-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1997-02-17","sa":"https://sa.vidhyamitra.com/city/mathura/1997-02-17","hi":"https://hi.vidhyamitra.com/city/mathura/1997-02-17","x-default":"https://vidhyamitra.com/city/mathura/1997-02-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T13:37:29.660Z","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":"2026-05-14T13:37:29.660Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T13:37:29.660Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}