{"id":"vidhyamitra:city-day:mathura:1987-07-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1987-07-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1987-07-19","date_display":"July 19, 1987 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":1987,"month":7,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446995.770833,"kali_year":5089,"ahargana":1858530.2708,"sun":{"sidereal_longitude":91.7646,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":13.096,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":281.3315,"elapsed_within_tithi_degrees":5.3315},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":13.096,"elapsed_within_degrees":13.096},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":104.8606},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1987,"month":7,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446995.770833,"ahargana":1858530.2708,"kali_year":5089,"ayanamsa_lahiri":23.679,"grahas":{"sun":{"sidereal_longitude":92.187724,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":16.23702400000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":2.0394},"mars":{"sidereal_longitude":104.39272400000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":74.34052400000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":5.160223999999971,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":82.690024,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":231.301824,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":346.1224,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":166.1224,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"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":1987,"month":7,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446995.770833,"kali_year":5089,"ahargana":1858530.2708,"sun":{"sidereal_longitude":91.7646,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":13.096,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":281.3315,"elapsed_within_tithi_degrees":5.3315},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":13.096,"elapsed_within_degrees":13.096},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":104.8606},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.039,"elongation":78.669},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.039,"opposition_distance":101.331}},"eclipse_window_40days":[]},"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":"05:35","sunsetLocal":"19:15","solarNoonLocal":"12:25","dayLengthHours":13.671085378965335,"dayLengthDisplay":"13 Hours 40 Mins 16 Secs","nightLengthDisplay":"10 Hours 19 Mins 44 Secs","moonriseLocal":"00:47","moonsetLocal":"13:56","rahuKala":{"name":"Rāhu Kāla","start":"17:33","end":"19:15","startHours":17.547235834172685,"endHours":19.25612150654335,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:25","end":"14:08","startHours":12.420578817060683,"endHours":14.129464489431351,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:50","end":"17:33","startHours":15.838350161802017,"endHours":17.547235834172685,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:46","end":"09:14","startHours":8.774956049336595,"endHours":9.230658895302106,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:09","end":"06:31","startHours":6.154664685034906,"endHours":6.519226961807314,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:53","startHours":11.964875971095173,"endHours":12.876281663026196,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:46","end":"04:40","startHours":3.7622247437159713,"endHours":4.673630435646994,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:27","end":"05:35","startHours":4.4457790126642385,"endHours":5.585036127578016,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:37","startHours":14.69909304688824,"endHours":15.610498738819263,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:03","end":"19:27","startHours":19.056121506543352,"endHours":19.45612150654335,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:15","end":"19:50","startHours":19.25612150654335,"endHours":19.82575006400024,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:00","end":"20:45","startHours":19.00612150654335,"endHours":20.75612150654335,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:53","startHours":23.964875971095175,"endHours":24.876281663026198,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:35","end":"07:18","startHours":5.585036127578016,"endHours":7.293921799948683,"quality":"inauspicious"},{"name":"Chala","start":"07:18","end":"09:00","startHours":7.293921799948683,"endHours":9.00280747231935,"quality":"neutral"},{"name":"Labha","start":"09:00","end":"10:43","startHours":9.00280747231935,"endHours":10.711693144690017,"quality":"auspicious"},{"name":"Amṛta","start":"10:43","end":"12:25","startHours":10.711693144690017,"endHours":12.420578817060683,"quality":"auspicious"},{"name":"Kāla","start":"12:25","end":"14:08","startHours":12.420578817060683,"endHours":14.129464489431351,"quality":"inauspicious"},{"name":"Śubha","start":"14:08","end":"15:50","startHours":14.129464489431351,"endHours":15.838350161802017,"quality":"auspicious"},{"name":"Roga","start":"15:50","end":"17:33","startHours":15.838350161802017,"endHours":17.547235834172685,"quality":"inauspicious"},{"name":"Udveg","start":"17:33","end":"19:15","startHours":17.547235834172685,"endHours":19.25612150654335,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:15","end":"20:33","startHours":19.25612150654335,"endHours":20.547235834172685,"quality":"auspicious"},{"name":"Roga","start":"20:33","end":"21:50","startHours":20.547235834172685,"endHours":21.83835016180202,"quality":"inauspicious"},{"name":"Udveg","start":"21:50","end":"23:08","startHours":21.83835016180202,"endHours":23.12946448943135,"quality":"inauspicious"},{"name":"Chala","start":"23:08","end":"00:25","startHours":23.12946448943135,"endHours":24.420578817060683,"quality":"neutral"},{"name":"Labha","start":"00:25","end":"01:43","startHours":24.420578817060683,"endHours":25.711693144690017,"quality":"auspicious"},{"name":"Amṛta","start":"01:43","end":"03:00","startHours":25.711693144690017,"endHours":27.00280747231935,"quality":"auspicious"},{"name":"Kāla","start":"03:00","end":"04:18","startHours":27.00280747231935,"endHours":28.293921799948684,"quality":"inauspicious"},{"name":"Śubha","start":"04:18","end":"05:35","startHours":28.293921799948684,"endHours":29.585036127578014,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:35","end":"06:35","startHours":5.585036127578016,"endHours":6.585036127578016,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:35","end":"07:35","startHours":6.585036127578016,"endHours":7.585036127578016,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:35","end":"08:35","startHours":7.585036127578016,"endHours":8.585036127578016,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:35","end":"09:35","startHours":8.585036127578016,"endHours":9.585036127578016,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:35","end":"10:35","startHours":9.585036127578016,"endHours":10.585036127578016,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:35","end":"11:35","startHours":10.585036127578016,"endHours":11.585036127578016,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:35","end":"12:35","startHours":11.585036127578016,"endHours":12.585036127578016,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:35","end":"13:35","startHours":12.585036127578016,"endHours":13.585036127578016,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:35","end":"14:35","startHours":13.585036127578016,"endHours":14.585036127578016,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:35","end":"15:35","startHours":14.585036127578016,"endHours":15.585036127578016,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:35","end":"16:35","startHours":15.585036127578016,"endHours":16.585036127578014,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:35","end":"17:35","startHours":16.585036127578014,"endHours":17.585036127578014,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:35","end":"18:35","startHours":17.585036127578014,"endHours":18.585036127578014,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:35","end":"19:35","startHours":18.585036127578014,"endHours":19.585036127578014,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:35","end":"20:35","startHours":19.585036127578014,"endHours":20.585036127578014,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:35","end":"21:35","startHours":20.585036127578014,"endHours":21.585036127578014,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:35","end":"22:35","startHours":21.585036127578014,"endHours":22.585036127578014,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:35","end":"23:35","startHours":22.585036127578014,"endHours":23.585036127578014,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:35","end":"00:35","startHours":23.585036127578014,"endHours":24.585036127578014,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:35","end":"01:35","startHours":24.585036127578014,"endHours":25.585036127578014,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:35","end":"02:35","startHours":25.585036127578014,"endHours":26.585036127578014,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:35","end":"03:35","startHours":26.585036127578014,"endHours":27.585036127578014,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:35","end":"04:35","startHours":27.585036127578014,"endHours":28.585036127578014,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:35","end":"05:35","startHours":28.585036127578014,"endHours":29.585036127578014,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":20.970312228430494,"eotMinutes":-5.929529023641085,"ayanamsa":23.679}},"calendars":{"vikram_samvat":2044,"vikram_samvatsara":"Vikrama","saka_samvat":1909,"saka_samvatsara":"Prabhava","bengali_samvat":1394,"malayalam_era":1163,"nanakshahi_year":518,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Navamī · Vikram 2044 Vikrama · Śaka 1909 Prabhava"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"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 July 19, 1987 CE · Mathurā · Vidhyamitra","description":"July 19, 1987 CE for Mathurā: Kṛṣṇa Navamī, sūryodaya 05:35, sūryāsta 19:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1987-07-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1987-07-19","sa":"https://sa.vidhyamitra.com/city/mathura/1987-07-19","hi":"https://hi.vidhyamitra.com/city/mathura/1987-07-19","x-default":"https://vidhyamitra.com/city/mathura/1987-07-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T14:55:16.886Z","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":"2026-05-14T14:55:16.886Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T14:55:16.886Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}