{"id":"vidhyamitra:city-day:mathura:1982-09-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1982-09-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1982-09-18","date_display":"September 18, 1982 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":1982,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445230.770833,"kali_year":5084,"ahargana":1856765.2708,"sun":{"sidereal_longitude":150.5074,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":159.189,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.6816,"elapsed_within_tithi_degrees":8.6816},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":159.189,"elapsed_within_degrees":12.5223},"yoga":{"number":24,"name":"Śukla","sum_longitude":309.6964},"karana":{"half_tithi_index":1,"name":"Bava"},"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":1982,"month":9,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445230.770833,"ahargana":1856765.2708,"kali_year":5084,"ayanamsa_lahiri":23.6115,"grahas":{"sun":{"sidereal_longitude":151.19826,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":158.01796000000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false,"latitude":4.4252},"mars":{"sidereal_longitude":215.28855999999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":174.28485999999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":196.13635999999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":139.22075999999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":177.55945999999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":79.6406,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":259.6406,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":1982,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445230.770833,"kali_year":5084,"ahargana":1856765.2708,"sun":{"sidereal_longitude":150.5074,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":159.189,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":8.6816,"elapsed_within_tithi_degrees":8.6816},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":159.189,"elapsed_within_degrees":12.5223},"yoga":{"number":24,"name":"Śukla","sum_longitude":309.6964},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.425,"elongation":8.682},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.425,"opposition_distance":171.318}},"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":"06:05","sunsetLocal":"18:21","solarNoonLocal":"12:13","dayLengthHours":12.268471079726645,"dayLengthDisplay":"12 Hours 16 Mins 06 Secs","nightLengthDisplay":"11 Hours 43 Mins 54 Secs","moonriseLocal":"06:39","moonsetLocal":"18:41","rahuKala":{"name":"Rāhu Kāla","start":"09:09","end":"10:41","startHours":9.144468527173764,"endHours":10.678027412139595,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:45","end":"15:17","startHours":13.745145182071257,"endHours":15.278704067037086,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:05","end":"07:37","startHours":6.077350757242104,"endHours":7.610909642207934,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:21","startHours":8.93999400917832,"endHours":9.348943045169209,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:35","end":"06:55","startHours":6.588537052230714,"endHours":6.915696281023424,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:37","startHours":11.802637261114539,"endHours":12.620535333096315,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:26","end":"05:16","startHours":4.4415546132785515,"endHours":5.259452685260327,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:03","end":"06:05","startHours":5.054978167264883,"endHours":6.077350757242104,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"15:04","startHours":14.256331477059867,"endHours":15.074229549041643,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:09","end":"18:33","startHours":18.14582183696875,"endHours":18.54582183696875,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:21","end":"18:51","startHours":18.34582183696875,"endHours":18.85700813195736,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:06","end":"19:51","startHours":18.09582183696875,"endHours":19.84582183696875,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:37","startHours":23.80263726111454,"endHours":24.620535333096313,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:05","end":"07:37","startHours":6.077350757242104,"endHours":7.610909642207934,"quality":"inauspicious"},{"name":"Śubha","start":"07:37","end":"09:09","startHours":7.610909642207934,"endHours":9.144468527173764,"quality":"auspicious"},{"name":"Roga","start":"09:09","end":"10:41","startHours":9.144468527173764,"endHours":10.678027412139595,"quality":"inauspicious"},{"name":"Udveg","start":"10:41","end":"12:13","startHours":10.678027412139595,"endHours":12.211586297105427,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"13:45","startHours":12.211586297105427,"endHours":13.745145182071257,"quality":"neutral"},{"name":"Labha","start":"13:45","end":"15:17","startHours":13.745145182071257,"endHours":15.278704067037086,"quality":"auspicious"},{"name":"Amṛta","start":"15:17","end":"16:49","startHours":15.278704067037086,"endHours":16.812262952002918,"quality":"auspicious"},{"name":"Kāla","start":"16:49","end":"18:21","startHours":16.812262952002918,"endHours":18.34582183696875,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:21","end":"19:49","startHours":18.34582183696875,"endHours":19.812262952002918,"quality":"auspicious"},{"name":"Amṛta","start":"19:49","end":"21:17","startHours":19.812262952002918,"endHours":21.27870406703709,"quality":"auspicious"},{"name":"Kāla","start":"21:17","end":"22:45","startHours":21.27870406703709,"endHours":22.74514518207126,"quality":"inauspicious"},{"name":"Śubha","start":"22:45","end":"00:13","startHours":22.74514518207126,"endHours":24.211586297105427,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:41","startHours":24.211586297105427,"endHours":25.678027412139595,"quality":"inauspicious"},{"name":"Udveg","start":"01:41","end":"03:09","startHours":25.678027412139595,"endHours":27.144468527173764,"quality":"inauspicious"},{"name":"Chala","start":"03:09","end":"04:37","startHours":27.144468527173764,"endHours":28.610909642207936,"quality":"neutral"},{"name":"Labha","start":"04:37","end":"06:05","startHours":28.610909642207936,"endHours":30.077350757242105,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:05","end":"07:05","startHours":6.077350757242104,"endHours":7.077350757242104,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:05","end":"08:05","startHours":7.077350757242104,"endHours":8.077350757242105,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:05","end":"09:05","startHours":8.077350757242105,"endHours":9.077350757242105,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:05","end":"10:05","startHours":9.077350757242105,"endHours":10.077350757242105,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:05","end":"11:05","startHours":10.077350757242105,"endHours":11.077350757242105,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:05","end":"12:05","startHours":11.077350757242105,"endHours":12.077350757242105,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:05","end":"13:05","startHours":12.077350757242105,"endHours":13.077350757242105,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:05","end":"14:05","startHours":13.077350757242105,"endHours":14.077350757242105,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:05","end":"15:05","startHours":14.077350757242105,"endHours":15.077350757242105,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:05","end":"16:05","startHours":15.077350757242105,"endHours":16.077350757242105,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:05","end":"17:05","startHours":16.077350757242105,"endHours":17.077350757242105,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:05","end":"18:05","startHours":17.077350757242105,"endHours":18.077350757242105,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:05","end":"19:05","startHours":18.077350757242105,"endHours":19.077350757242105,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:05","end":"20:05","startHours":19.077350757242105,"endHours":20.077350757242105,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:05","end":"21:05","startHours":20.077350757242105,"endHours":21.077350757242105,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:05","end":"22:05","startHours":21.077350757242105,"endHours":22.077350757242105,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:05","end":"23:05","startHours":22.077350757242105,"endHours":23.077350757242105,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:05","end":"00:05","startHours":23.077350757242105,"endHours":24.077350757242105,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:05","end":"01:05","startHours":24.077350757242105,"endHours":25.077350757242105,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:05","end":"02:05","startHours":25.077350757242105,"endHours":26.077350757242105,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:05","end":"03:05","startHours":26.077350757242105,"endHours":27.077350757242105,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:05","end":"04:05","startHours":27.077350757242105,"endHours":28.077350757242105,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:05","end":"05:05","startHours":28.077350757242105,"endHours":29.077350757242105,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:05","end":"06:05","startHours":29.077350757242105,"endHours":30.077350757242105,"planetary_lord":"Mercury"}],"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","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":2.0619498394789875,"eotMinutes":6.610022173674397,"ayanamsa":23.6115}},"calendars":{"vikram_samvat":2039,"vikram_samvatsara":"Yuva","saka_samvat":1904,"saka_samvatsara":"Dundubhi","bengali_samvat":1389,"malayalam_era":1158,"nanakshahi_year":513,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Pratipada · Vikram 2039 Yuva · Śaka 1904 Dundubhi"},"festivals":[{"id":"sharadiya-navratri-start","name":"Śāradīya Navrātri Start","name_sanskrit":"शारदीय नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"Autumn Navrātri begins; Devī Mahiṣāsura-mardinī worship for 9 nights.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1},{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 September 18, 1982 CE · Mathurā · Vidhyamitra","description":"September 18, 1982 CE for Mathurā: Śukla Pratipada, sūryodaya 06:05, sūryāsta 18:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1982-09-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1982-09-18","sa":"https://sa.vidhyamitra.com/city/mathura/1982-09-18","hi":"https://hi.vidhyamitra.com/city/mathura/1982-09-18","x-default":"https://vidhyamitra.com/city/mathura/1982-09-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T11:03:39.318Z","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":"2026-05-14T11:03:39.318Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T11:03:39.318Z","pillar_versions":{"BOB-History":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}