{"id":"vidhyamitra:city-day:mathura:1990-10-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1990-10-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-10-27","date_display":"October 27, 1990 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":1990,"month":10,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448191.770833,"kali_year":5092,"ahargana":1859726.2708,"sun":{"sidereal_longitude":188.9512,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":284.6104,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.6593,"elapsed_within_tithi_degrees":11.6593},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":284.6104,"elapsed_within_degrees":4.6104},"yoga":{"number":9,"name":"Śūla","sum_longitude":113.5616},"karana":{"half_tithi_index":15,"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":1990,"month":10,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448191.770833,"ahargana":1859726.2708,"kali_year":5092,"ayanamsa_lahiri":23.7248,"grahas":{"sun":{"sidereal_longitude":189.63252799999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":281.766928,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":0.1457},"mars":{"sidereal_longitude":50.67222800000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":192.83132799999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":107.98742800000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":188.34972800000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":265.73872800000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":282.7525,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":102.7525,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1990,"month":10,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448191.770833,"kali_year":5092,"ahargana":1859726.2708,"sun":{"sidereal_longitude":188.9512,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":284.6104,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.6593,"elapsed_within_tithi_degrees":11.6593},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":284.6104,"elapsed_within_degrees":4.6104},"yoga":{"number":9,"name":"Śūla","sum_longitude":113.5616},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.146,"elongation":95.659},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.146,"opposition_distance":84.341}},"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":"06:26","sunsetLocal":"17:40","solarNoonLocal":"12:03","dayLengthHours":11.236025949558421,"dayLengthDisplay":"11 Hours 14 Mins 10 Secs","nightLengthDisplay":"12 Hours 45 Mins 50 Secs","moonriseLocal":"12:50","moonsetLocal":"23:33","rahuKala":{"name":"Rāhu Kāla","start":"09:14","end":"10:39","startHours":9.240071784911809,"endHours":10.64457502860661,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:27","end":"14:51","startHours":13.453581515996216,"endHours":14.858084759691017,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:26","end":"07:50","startHours":6.431065297522203,"endHours":7.835568541217006,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:03","end":"09:26","startHours":9.0528046857525,"endHours":9.427338884071116,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:12","startHours":6.89923304542047,"endHours":7.198860404075361,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:25","startHours":11.6745440739828,"endHours":12.423612470620027,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:56","end":"05:41","startHours":4.932928504247746,"endHours":5.681996900884974,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:30","end":"06:26","startHours":5.494729801725668,"endHours":6.431065297522203,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:40","startHours":13.921749263894483,"endHours":14.67081766053171,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:28","end":"17:52","startHours":17.467091247080624,"endHours":17.867091247080623,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:40","end":"18:08","startHours":17.667091247080624,"endHours":18.13525899497889,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:25","end":"19:10","startHours":17.417091247080624,"endHours":19.167091247080624,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:25","startHours":23.6745440739828,"endHours":24.42361247062003,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:26","end":"07:50","startHours":6.431065297522203,"endHours":7.835568541217006,"quality":"inauspicious"},{"name":"Śubha","start":"07:50","end":"09:14","startHours":7.835568541217006,"endHours":9.240071784911809,"quality":"auspicious"},{"name":"Roga","start":"09:14","end":"10:39","startHours":9.240071784911809,"endHours":10.64457502860661,"quality":"inauspicious"},{"name":"Udveg","start":"10:39","end":"12:03","startHours":10.64457502860661,"endHours":12.049078272301413,"quality":"inauspicious"},{"name":"Chala","start":"12:03","end":"13:27","startHours":12.049078272301413,"endHours":13.453581515996216,"quality":"neutral"},{"name":"Labha","start":"13:27","end":"14:51","startHours":13.453581515996216,"endHours":14.858084759691017,"quality":"auspicious"},{"name":"Amṛta","start":"14:51","end":"16:16","startHours":14.858084759691017,"endHours":16.262588003385822,"quality":"auspicious"},{"name":"Kāla","start":"16:16","end":"17:40","startHours":16.262588003385822,"endHours":17.667091247080624,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:40","end":"19:16","startHours":17.667091247080624,"endHours":19.262588003385822,"quality":"auspicious"},{"name":"Amṛta","start":"19:16","end":"20:51","startHours":19.262588003385822,"endHours":20.858084759691017,"quality":"auspicious"},{"name":"Kāla","start":"20:51","end":"22:27","startHours":20.858084759691017,"endHours":22.453581515996216,"quality":"inauspicious"},{"name":"Śubha","start":"22:27","end":"00:03","startHours":22.453581515996216,"endHours":24.049078272301415,"quality":"auspicious"},{"name":"Roga","start":"00:03","end":"01:39","startHours":24.049078272301415,"endHours":25.64457502860661,"quality":"inauspicious"},{"name":"Udveg","start":"01:39","end":"03:14","startHours":25.64457502860661,"endHours":27.24007178491181,"quality":"inauspicious"},{"name":"Chala","start":"03:14","end":"04:50","startHours":27.24007178491181,"endHours":28.835568541217008,"quality":"neutral"},{"name":"Labha","start":"04:50","end":"06:26","startHours":28.835568541217008,"endHours":30.431065297522203,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:26","end":"07:26","startHours":6.431065297522203,"endHours":7.431065297522203,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:26","end":"08:26","startHours":7.431065297522203,"endHours":8.431065297522203,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:26","end":"09:26","startHours":8.431065297522203,"endHours":9.431065297522203,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:26","end":"10:26","startHours":9.431065297522203,"endHours":10.431065297522203,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:26","end":"11:26","startHours":10.431065297522203,"endHours":11.431065297522203,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:26","end":"12:26","startHours":11.431065297522203,"endHours":12.431065297522203,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:26","end":"13:26","startHours":12.431065297522203,"endHours":13.431065297522203,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:26","end":"14:26","startHours":13.431065297522203,"endHours":14.431065297522203,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:26","end":"15:26","startHours":14.431065297522203,"endHours":15.431065297522203,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:26","end":"16:26","startHours":15.431065297522203,"endHours":16.431065297522203,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:26","end":"17:26","startHours":16.431065297522203,"endHours":17.431065297522203,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:26","end":"18:26","startHours":17.431065297522203,"endHours":18.431065297522203,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:26","end":"19:26","startHours":18.431065297522203,"endHours":19.431065297522203,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:26","end":"20:26","startHours":19.431065297522203,"endHours":20.431065297522203,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:26","end":"21:26","startHours":20.431065297522203,"endHours":21.431065297522203,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:26","end":"22:26","startHours":21.431065297522203,"endHours":22.431065297522203,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:26","end":"23:26","startHours":22.431065297522203,"endHours":23.431065297522203,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:26","end":"00:26","startHours":23.431065297522203,"endHours":24.431065297522203,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:26","end":"01:26","startHours":24.431065297522203,"endHours":25.431065297522203,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:26","end":"02:26","startHours":25.431065297522203,"endHours":26.431065297522203,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:26","end":"03:26","startHours":26.431065297522203,"endHours":27.431065297522203,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:26","end":"04:26","startHours":27.431065297522203,"endHours":28.431065297522203,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:26","end":"05:26","startHours":28.431065297522203,"endHours":29.431065297522203,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:26","end":"06:26","startHours":29.431065297522203,"endHours":30.431065297522203,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-12.632495563516667,"eotMinutes":16.360503661915228,"ayanamsa":23.7248}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Aṣṭamī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5}],"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":[{"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 October 27, 1990 CE · Mathurā · Vidhyamitra","description":"October 27, 1990 CE for Mathurā: Śukla Aṣṭamī, sūryodaya 06:26, sūryāsta 17:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1990-10-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1990-10-27","sa":"https://sa.vidhyamitra.com/city/mathura/1990-10-27","hi":"https://hi.vidhyamitra.com/city/mathura/1990-10-27","x-default":"https://vidhyamitra.com/city/mathura/1990-10-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T15:51:56.469Z","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":"2026-05-14T15:51:56.469Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T15:51:56.469Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}