{"id":"vidhyamitra:city-day:mathura:2018-09-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/2018-09-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-09-17","date_display":"September 17, 2018 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":2018,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458378.770833,"kali_year":5120,"ahargana":1869913.2708,"sun":{"sidereal_longitude":149.2267,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":238.7153,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":89.4886,"elapsed_within_tithi_degrees":5.4886},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":238.7153,"elapsed_within_degrees":12.0487},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.942},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2018,"month":9,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458378.770833,"ahargana":1869913.2708,"kali_year":5120,"ayanamsa_lahiri":24.1144,"grahas":{"sun":{"sidereal_longitude":150.00281,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":240.81121000000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":3.1401},"mars":{"sidereal_longitude":276.97861,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":146.17371000000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":205.41091000000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":190.66731000000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":248.40831000000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":102.9963,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":282.9963,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":2018,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458378.770833,"kali_year":5120,"ahargana":1869913.2708,"sun":{"sidereal_longitude":149.2267,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":238.7153,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":89.4886,"elapsed_within_tithi_degrees":5.4886},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":238.7153,"elapsed_within_degrees":12.0487},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.942},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.14,"elongation":89.489},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.14,"opposition_distance":90.511}},"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":"06:04","sunsetLocal":"18:22","solarNoonLocal":"12:13","dayLengthHours":12.287572118421727,"dayLengthDisplay":"12 Hours 17 Mins 15 Secs","nightLengthDisplay":"11 Hours 42 Mins 45 Secs","moonriseLocal":"13:05","moonsetLocal":"23:27","rahuKala":{"name":"Rāhu Kāla","start":"07:37","end":"09:09","startHours":7.609921059669056,"endHours":9.145867574471772,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:41","end":"12:13","startHours":10.681814089274488,"endHours":12.217760604077203,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:45","end":"15:17","startHours":13.75370711887992,"endHours":15.289653633682635,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:21","startHours":8.94107470583141,"endHours":9.350660443112133,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:35","end":"06:55","startHours":6.585956716467246,"endHours":6.913625306291825,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:38","startHours":11.80817486679648,"endHours":12.627346341357926,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:26","end":"05:15","startHours":4.435631595743443,"endHours":5.254803070304892,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:03","end":"06:04","startHours":5.05001020166453,"endHours":6.07397454486634,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"15:05","startHours":14.265689290480825,"endHours":15.084860765042274,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:10","end":"18:34","startHours":18.161546663288068,"endHours":18.561546663288066,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:22","end":"18:52","startHours":18.361546663288067,"endHours":18.873528834888972,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:07","end":"19:52","startHours":18.111546663288067,"endHours":19.861546663288067,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:38","startHours":23.808174866796477,"endHours":24.627346341357928,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:04","end":"07:37","startHours":6.07397454486634,"endHours":7.609921059669056,"quality":"auspicious"},{"name":"Kāla","start":"07:37","end":"09:09","startHours":7.609921059669056,"endHours":9.145867574471772,"quality":"inauspicious"},{"name":"Śubha","start":"09:09","end":"10:41","startHours":9.145867574471772,"endHours":10.681814089274488,"quality":"auspicious"},{"name":"Roga","start":"10:41","end":"12:13","startHours":10.681814089274488,"endHours":12.217760604077203,"quality":"inauspicious"},{"name":"Udveg","start":"12:13","end":"13:45","startHours":12.217760604077203,"endHours":13.75370711887992,"quality":"inauspicious"},{"name":"Chala","start":"13:45","end":"15:17","startHours":13.75370711887992,"endHours":15.289653633682635,"quality":"neutral"},{"name":"Labha","start":"15:17","end":"16:50","startHours":15.289653633682635,"endHours":16.82560014848535,"quality":"auspicious"},{"name":"Amṛta","start":"16:50","end":"18:22","startHours":16.82560014848535,"endHours":18.361546663288067,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:22","end":"19:50","startHours":18.361546663288067,"endHours":19.82560014848535,"quality":"neutral"},{"name":"Labha","start":"19:50","end":"21:17","startHours":19.82560014848535,"endHours":21.289653633682637,"quality":"auspicious"},{"name":"Amṛta","start":"21:17","end":"22:45","startHours":21.289653633682637,"endHours":22.75370711887992,"quality":"auspicious"},{"name":"Kāla","start":"22:45","end":"00:13","startHours":22.75370711887992,"endHours":24.217760604077203,"quality":"inauspicious"},{"name":"Śubha","start":"00:13","end":"01:41","startHours":24.217760604077203,"endHours":25.68181408927449,"quality":"auspicious"},{"name":"Roga","start":"01:41","end":"03:09","startHours":25.68181408927449,"endHours":27.145867574471772,"quality":"inauspicious"},{"name":"Udveg","start":"03:09","end":"04:37","startHours":27.145867574471772,"endHours":28.609921059669055,"quality":"inauspicious"},{"name":"Chala","start":"04:37","end":"06:04","startHours":28.609921059669055,"endHours":30.07397454486634,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.07397454486634,"endHours":7.07397454486634,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.07397454486634,"endHours":8.07397454486634,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.07397454486634,"endHours":9.07397454486634,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.07397454486634,"endHours":10.07397454486634,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.07397454486634,"endHours":11.07397454486634,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.07397454486634,"endHours":12.07397454486634,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.07397454486634,"endHours":13.07397454486634,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.07397454486634,"endHours":14.07397454486634,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.07397454486634,"endHours":15.07397454486634,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.07397454486634,"endHours":16.07397454486634,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.07397454486634,"endHours":17.07397454486634,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.07397454486634,"endHours":18.07397454486634,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.07397454486634,"endHours":19.07397454486634,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.07397454486634,"endHours":20.07397454486634,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.07397454486634,"endHours":21.07397454486634,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.07397454486634,"endHours":22.07397454486634,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.07397454486634,"endHours":23.07397454486634,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.07397454486634,"endHours":24.07397454486634,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.07397454486634,"endHours":25.07397454486634,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.07397454486634,"endHours":26.07397454486634,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.07397454486634,"endHours":27.07397454486634,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.07397454486634,"endHours":28.07397454486634,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.07397454486634,"endHours":29.07397454486634,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.07397454486634,"endHours":30.07397454486634,"planetary_lord":"Venus"}],"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","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":2.3363151227081853,"eotMinutes":6.239563755367786,"ayanamsa":24.1144}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Aṣṭamī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"durga-ashtami","name":"Mahā-Aṣṭamī (Durgā-Aṣṭamī)","name_sanskrit":"महाष्टमी","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"8th day of Śāradīya Navrātri; Mahiṣāsura-mardinī kṣaṇa.","vrata":true,"detection":{"tithi_number":8,"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5},{"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 September 17, 2018 CE · Mathurā · Vidhyamitra","description":"September 17, 2018 CE for Mathurā: Śukla Aṣṭamī, sūryodaya 06:04, sūryāsta 18:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/2018-09-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/2018-09-17","sa":"https://sa.vidhyamitra.com/city/mathura/2018-09-17","hi":"https://hi.vidhyamitra.com/city/mathura/2018-09-17","x-default":"https://vidhyamitra.com/city/mathura/2018-09-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T14:41:22.260Z","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":"2026-05-14T14:41:22.260Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T14:41:22.260Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}