{"id":"vidhyamitra:city-day:mathura:1997-02-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1997-02-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-02-06","date_display":"February 6, 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1997,"month":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450485.770833,"kali_year":5098,"ahargana":1862020.2708,"sun":{"sidereal_longitude":293.5326,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":271.5264,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":337.9937,"elapsed_within_tithi_degrees":1.9937},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":271.5264,"elapsed_within_degrees":4.8597},"yoga":{"number":16,"name":"Siddhi","sum_longitude":205.059},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"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":1997,"month":2,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450485.770833,"ahargana":1862020.2708,"kali_year":5098,"ayanamsa_lahiri":23.8125,"grahas":{"sun":{"sidereal_longitude":293.475181,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":270.876581,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false,"latitude":4.2194},"mars":{"sidereal_longitude":162.057681,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":271.71678099999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":279.8524809999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":279.8397809999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":340.267681,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":161.2054,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":341.2054,"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1997,"month":2,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450485.770833,"kali_year":5098,"ahargana":1862020.2708,"sun":{"sidereal_longitude":293.5326,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":271.5264,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":337.9937,"elapsed_within_tithi_degrees":1.9937},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":271.5264,"elapsed_within_degrees":4.8597},"yoga":{"number":16,"name":"Siddhi","sum_longitude":205.059},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.219,"elongation":22.006},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.219,"opposition_distance":157.994}},"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":"07:03","sunsetLocal":"18:04","solarNoonLocal":"12:34","dayLengthHours":11.013420270308874,"dayLengthDisplay":"11 Hours 00 Mins 48 Secs","nightLengthDisplay":"12 Hours 59 Mins 12 Secs","moonriseLocal":"05:47","moonsetLocal":"16:20","rahuKala":{"name":"Rāhu Kāla","start":"13:56","end":"15:19","startHours":13.936686419079898,"endHours":15.313363952868507,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:03","end":"08:26","startHours":7.053298750136851,"endHours":8.42997628392546,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:48","end":"11:11","startHours":9.80665381771407,"endHours":11.18333135150268,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:37","end":"09:59","startHours":9.623096813208921,"endHours":9.990210822219218,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:31","end":"07:48","startHours":7.512191261399721,"endHours":7.805882468607957,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:12","end":"12:56","startHours":12.192894876280992,"endHours":12.927122894301583,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:35","end":"06:19","startHours":5.584842714095668,"endHours":6.319070732116259,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:08","end":"07:03","startHours":6.135513727611111,"endHours":7.053298750136851,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:08","startHours":14.395578930342767,"endHours":15.129806948363358,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.866719020445725,"endHours":18.266719020445723,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:32","startHours":18.066719020445724,"endHours":18.525611531708595,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.816719020445724,"endHours":19.566719020445724,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:12","end":"00:56","startHours":24.19289487628099,"endHours":24.927122894301586,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:03","end":"08:26","startHours":7.053298750136851,"endHours":8.42997628392546,"quality":"auspicious"},{"name":"Roga","start":"08:26","end":"09:48","startHours":8.42997628392546,"endHours":9.80665381771407,"quality":"inauspicious"},{"name":"Udveg","start":"09:48","end":"11:11","startHours":9.80665381771407,"endHours":11.18333135150268,"quality":"inauspicious"},{"name":"Chala","start":"11:11","end":"12:34","startHours":11.18333135150268,"endHours":12.560008885291289,"quality":"neutral"},{"name":"Labha","start":"12:34","end":"13:56","startHours":12.560008885291289,"endHours":13.936686419079898,"quality":"auspicious"},{"name":"Amṛta","start":"13:56","end":"15:19","startHours":13.936686419079898,"endHours":15.313363952868507,"quality":"auspicious"},{"name":"Kāla","start":"15:19","end":"16:41","startHours":15.313363952868507,"endHours":16.690041486657115,"quality":"inauspicious"},{"name":"Śubha","start":"16:41","end":"18:04","startHours":16.690041486657115,"endHours":18.066719020445724,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:04","end":"19:41","startHours":18.066719020445724,"endHours":19.690041486657115,"quality":"auspicious"},{"name":"Kāla","start":"19:41","end":"21:19","startHours":19.690041486657115,"endHours":21.313363952868507,"quality":"inauspicious"},{"name":"Śubha","start":"21:19","end":"22:56","startHours":21.313363952868507,"endHours":22.936686419079898,"quality":"auspicious"},{"name":"Roga","start":"22:56","end":"00:34","startHours":22.936686419079898,"endHours":24.56000888529129,"quality":"inauspicious"},{"name":"Udveg","start":"00:34","end":"02:11","startHours":24.56000888529129,"endHours":26.18333135150268,"quality":"inauspicious"},{"name":"Chala","start":"02:11","end":"03:48","startHours":26.18333135150268,"endHours":27.806653817714068,"quality":"neutral"},{"name":"Labha","start":"03:48","end":"05:26","startHours":27.806653817714068,"endHours":29.42997628392546,"quality":"auspicious"},{"name":"Amṛta","start":"05:26","end":"07:03","startHours":29.42997628392546,"endHours":31.05329875013685,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:03","end":"08:03","startHours":7.053298750136851,"endHours":8.05329875013685,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:03","end":"09:03","startHours":8.05329875013685,"endHours":9.05329875013685,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:03","end":"10:03","startHours":9.05329875013685,"endHours":10.05329875013685,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:03","end":"11:03","startHours":10.05329875013685,"endHours":11.05329875013685,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:03","end":"12:03","startHours":11.05329875013685,"endHours":12.05329875013685,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:03","end":"13:03","startHours":12.05329875013685,"endHours":13.05329875013685,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:03","end":"14:03","startHours":13.05329875013685,"endHours":14.05329875013685,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:03","end":"15:03","startHours":14.05329875013685,"endHours":15.05329875013685,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:03","end":"16:03","startHours":15.05329875013685,"endHours":16.05329875013685,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:03","end":"17:03","startHours":16.05329875013685,"endHours":17.05329875013685,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:03","end":"18:03","startHours":17.05329875013685,"endHours":18.05329875013685,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:03","end":"19:03","startHours":18.05329875013685,"endHours":19.05329875013685,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:03","end":"20:03","startHours":19.05329875013685,"endHours":20.05329875013685,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:03","end":"21:03","startHours":20.05329875013685,"endHours":21.05329875013685,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:03","end":"22:03","startHours":21.05329875013685,"endHours":22.05329875013685,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:03","end":"23:03","startHours":22.05329875013685,"endHours":23.05329875013685,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:03","end":"00:03","startHours":23.05329875013685,"endHours":24.05329875013685,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:03","end":"01:03","startHours":24.05329875013685,"endHours":25.05329875013685,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:03","end":"02:03","startHours":25.05329875013685,"endHours":26.05329875013685,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:03","end":"03:03","startHours":26.05329875013685,"endHours":27.05329875013685,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:03","end":"04:03","startHours":27.05329875013685,"endHours":28.05329875013685,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:03","end":"05:03","startHours":28.05329875013685,"endHours":29.05329875013685,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:03","end":"06:03","startHours":29.05329875013685,"endHours":30.05329875013685,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:03","end":"07:03","startHours":30.05329875013685,"endHours":31.05329875013685,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-15.65170882085844,"eotMinutes":-14.295333117477217,"ayanamsa":23.8125}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Caturdaśī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":"Dedicated festival walk for Māsika Śivarātri is not live yet; Guruvāra (Thursday) — 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 6, 1997 CE · Mathurā · Vidhyamitra","description":"February 6, 1997 CE for Mathurā: Kṛṣṇa Caturdaśī, sūryodaya 07:03, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1997-02-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1997-02-06","sa":"https://sa.vidhyamitra.com/city/mathura/1997-02-06","hi":"https://hi.vidhyamitra.com/city/mathura/1997-02-06","x-default":"https://vidhyamitra.com/city/mathura/1997-02-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-11T10:46:41.296Z","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":"2026-09-11T10:46:41.296Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-11T10:46:41.296Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}