{"id":"vidhyamitra:city-day:mathura:2006-12-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/2006-12-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2006-12-28","date_display":"December 28, 2006 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":2006,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454097.770833,"kali_year":5108,"ahargana":1865632.2708,"sun":{"sidereal_longitude":251.9083,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":347.741,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.8327,"elapsed_within_tithi_degrees":11.8327},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.741,"elapsed_within_degrees":1.0743},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.6493},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2006,"month":12,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2454097.770833,"ahargana":1865632.2708,"kali_year":5108,"ayanamsa_lahiri":23.9506,"grahas":{"sun":{"sidereal_longitude":252.19737600000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":347.724776,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":1.3831},"mars":{"sidereal_longitude":231.495676,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":246.22607600000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":224.16617599999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":267.053676,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":120.51937600000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":329.8242,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":149.8242,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara 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":2006,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454097.770833,"kali_year":5108,"ahargana":1865632.2708,"sun":{"sidereal_longitude":251.9083,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":347.741,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.8327,"elapsed_within_tithi_degrees":11.8327},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":347.741,"elapsed_within_degrees":1.0743},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.6493},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.383,"elongation":95.833},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.383,"opposition_distance":84.167}},"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":"07:09","sunsetLocal":"17:34","solarNoonLocal":"12:21","dayLengthHours":10.413301942600642,"dayLengthDisplay":"10 Hours 24 Mins 48 Secs","nightLengthDisplay":"13 Hours 35 Mins 12 Secs","moonriseLocal":"12:31","moonsetLocal":"00:56","rahuKala":{"name":"Rāhu Kāla","start":"13:39","end":"14:57","startHours":13.65486781722987,"endHours":14.95653056005495,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:09","end":"08:27","startHours":7.146554103104469,"endHours":8.448216845929549,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:45","end":"11:03","startHours":9.749879588754629,"endHours":11.05154233157971,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:55","startHours":9.576324556377951,"endHours":9.923434621131307,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:35","end":"07:51","startHours":7.580441684046162,"endHours":7.858129735848846,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:42","startHours":12.006095009651435,"endHours":12.700315139158146,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:27","startHours":5.75811384409105,"endHours":6.45233397359776,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:09","startHours":6.278778941221082,"endHours":7.146554103104469,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:47","startHours":14.088755398171564,"endHours":14.782975527678273,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:22","end":"17:46","startHours":17.35985604570511,"endHours":17.75985604570511,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:34","end":"18:00","startHours":17.55985604570511,"endHours":17.993743626646804,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:19","end":"19:04","startHours":17.30985604570511,"endHours":19.05985604570511,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:42","startHours":24.006095009651435,"endHours":24.700315139158146,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:09","end":"08:27","startHours":7.146554103104469,"endHours":8.448216845929549,"quality":"auspicious"},{"name":"Roga","start":"08:27","end":"09:45","startHours":8.448216845929549,"endHours":9.749879588754629,"quality":"inauspicious"},{"name":"Udveg","start":"09:45","end":"11:03","startHours":9.749879588754629,"endHours":11.05154233157971,"quality":"inauspicious"},{"name":"Chala","start":"11:03","end":"12:21","startHours":11.05154233157971,"endHours":12.35320507440479,"quality":"neutral"},{"name":"Labha","start":"12:21","end":"13:39","startHours":12.35320507440479,"endHours":13.65486781722987,"quality":"auspicious"},{"name":"Amṛta","start":"13:39","end":"14:57","startHours":13.65486781722987,"endHours":14.95653056005495,"quality":"auspicious"},{"name":"Kāla","start":"14:57","end":"16:15","startHours":14.95653056005495,"endHours":16.25819330288003,"quality":"inauspicious"},{"name":"Śubha","start":"16:15","end":"17:34","startHours":16.25819330288003,"endHours":17.55985604570511,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:34","end":"19:15","startHours":17.55985604570511,"endHours":19.25819330288003,"quality":"auspicious"},{"name":"Kāla","start":"19:15","end":"20:57","startHours":19.25819330288003,"endHours":20.95653056005495,"quality":"inauspicious"},{"name":"Śubha","start":"20:57","end":"22:39","startHours":20.95653056005495,"endHours":22.65486781722987,"quality":"auspicious"},{"name":"Roga","start":"22:39","end":"00:21","startHours":22.65486781722987,"endHours":24.35320507440479,"quality":"inauspicious"},{"name":"Udveg","start":"00:21","end":"02:03","startHours":24.35320507440479,"endHours":26.05154233157971,"quality":"inauspicious"},{"name":"Chala","start":"02:03","end":"03:45","startHours":26.05154233157971,"endHours":27.74987958875463,"quality":"neutral"},{"name":"Labha","start":"03:45","end":"05:27","startHours":27.74987958875463,"endHours":29.44821684592955,"quality":"auspicious"},{"name":"Amṛta","start":"05:27","end":"07:09","startHours":29.44821684592955,"endHours":31.14655410310447,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:09","end":"08:09","startHours":7.146554103104469,"endHours":8.146554103104469,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:09","end":"09:09","startHours":8.146554103104469,"endHours":9.146554103104469,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:09","end":"10:09","startHours":9.146554103104469,"endHours":10.146554103104469,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:09","end":"11:09","startHours":10.146554103104469,"endHours":11.146554103104469,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:09","end":"12:09","startHours":11.146554103104469,"endHours":12.146554103104469,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:09","end":"13:09","startHours":12.146554103104469,"endHours":13.146554103104469,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:09","end":"14:09","startHours":13.146554103104469,"endHours":14.146554103104469,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:09","end":"15:09","startHours":14.146554103104469,"endHours":15.146554103104469,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:09","end":"16:09","startHours":15.146554103104469,"endHours":16.14655410310447,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:09","end":"17:09","startHours":16.14655410310447,"endHours":17.14655410310447,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:09","end":"18:09","startHours":17.14655410310447,"endHours":18.14655410310447,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:09","end":"19:09","startHours":18.14655410310447,"endHours":19.14655410310447,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:09","end":"20:09","startHours":19.14655410310447,"endHours":20.14655410310447,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:09","end":"21:09","startHours":20.14655410310447,"endHours":21.14655410310447,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:09","end":"22:09","startHours":21.14655410310447,"endHours":22.14655410310447,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:09","end":"23:09","startHours":22.14655410310447,"endHours":23.14655410310447,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:09","end":"00:09","startHours":23.14655410310447,"endHours":24.14655410310447,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:09","end":"01:09","startHours":24.14655410310447,"endHours":25.14655410310447,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:09","end":"02:09","startHours":25.14655410310447,"endHours":26.14655410310447,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:09","end":"03:09","startHours":26.14655410310447,"endHours":27.14655410310447,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:09","end":"04:09","startHours":27.14655410310447,"endHours":28.14655410310447,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:09","end":"05:09","startHours":28.14655410310447,"endHours":29.14655410310447,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:09","end":"06:09","startHours":29.14655410310447,"endHours":30.14655410310447,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:09","end":"07:09","startHours":30.14655410310447,"endHours":31.14655410310447,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.29372729335797,"eotMinutes":-1.8871044642874448,"ayanamsa":23.9506}},"calendars":{"vikram_samvat":2063,"vikram_samvatsara":"Vikāri","saka_samvat":1928,"saka_samvatsara":"Vyaya","bengali_samvat":1413,"malayalam_era":1182,"nanakshahi_year":537,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Aṣṭamī · Vikram 2063 Vikāri · Śaka 1928 Vyaya"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 December 28, 2006 CE · Mathurā · Vidhyamitra","description":"December 28, 2006 CE for Mathurā: Śukla Aṣṭamī, sūryodaya 07:09, sūryāsta 17:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/2006-12-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/2006-12-28","sa":"https://sa.vidhyamitra.com/city/mathura/2006-12-28","hi":"https://hi.vidhyamitra.com/city/mathura/2006-12-28","x-default":"https://vidhyamitra.com/city/mathura/2006-12-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T16:02:20.816Z","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":"2026-05-14T16:02:20.816Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T16:02:20.816Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}