{"id":"vidhyamitra:city-day:pune:1981-07-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/pune/1981-07-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-07-17","date_display":"July 17, 1981 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":1981,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444802.770833,"kali_year":5083,"ahargana":1856337.2708,"sun":{"sidereal_longitude":90.393,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":268.2653,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":177.8723,"elapsed_within_tithi_degrees":9.8723},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":268.2653,"elapsed_within_degrees":1.5986},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":358.6583},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1981,"month":7,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444802.770833,"ahargana":1856337.2708,"kali_year":5083,"ayanamsa_lahiri":23.5951,"grahas":{"sun":{"sidereal_longitude":90.79241300000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":268.893513,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":1.0916},"mars":{"sidereal_longitude":65.74991299999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":70.512113,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":160.61731299999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"venus":{"sidereal_longitude":117.56501300000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":160.555113,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":102.3181,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":282.3181,"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":1981,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444802.770833,"kali_year":5083,"ahargana":1856337.2708,"sun":{"sidereal_longitude":90.393,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":268.2653,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":177.8723,"elapsed_within_tithi_degrees":9.8723},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":268.2653,"elapsed_within_degrees":1.5986},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":358.6583},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.092,"elongation":177.872},"lunar":{"type":"lunar","occurs":true,"moon_latitude":1.092,"opposition_distance":2.128}},"eclipse_window_40days":[{"offset_days":0,"type":"lunar","occurs":true,"moon_latitude":1.092,"opposition_distance":2.128},{"offset_days":14,"type":"solar","occurs":true,"moon_latitude":0.181,"elongation":0.207}]},"city":{"slug":"pune","name":"Pune, Maharashtra","lat":18.5204,"lon":73.8567,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"mega","elevation_m":560},"tier2":{"city":{"slug":"pune","name":"Pune, Maharashtra","lat":18.5204,"lon":73.8567,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"mega","elevation_m":560},"sunriseLocal":"06:07","sunsetLocal":"19:14","solarNoonLocal":"12:40","dayLengthHours":13.124302135903022,"dayLengthDisplay":"13 Hours 07 Mins 27 Secs","nightLengthDisplay":"10 Hours 52 Mins 33 Secs","moonriseLocal":"19:01","moonsetLocal":"06:05","rahuKala":{"name":"Rāhu Kāla","start":"11:02","end":"12:40","startHours":11.031908614667099,"endHours":12.672446381654979,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:57","end":"17:36","startHours":15.953521915630734,"endHours":17.59405968261861,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:45","end":"09:23","startHours":7.750833080691344,"endHours":9.391370847679223,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:10","end":"09:37","startHours":9.172632478747506,"endHours":9.610109216610939,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"07:00","startHours":6.657141236032759,"endHours":7.007122626323506,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:14","end":"13:07","startHours":12.234969643791544,"endHours":13.109923119518413,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:22","end":"05:14","startHours":4.36038836224973,"endHours":5.235341837976598,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:07","startHours":5.016603469044881,"endHours":6.110295313703467,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:52","end":"15:44","startHours":14.859830070972148,"endHours":15.734783546699015,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:02","end":"19:26","startHours":19.03459744960649,"endHours":19.43459744960649,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:14","end":"19:47","startHours":19.23459744960649,"endHours":19.781443371935783,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:59","end":"20:44","startHours":18.98459744960649,"endHours":20.73459744960649,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:14","end":"01:07","startHours":24.234969643791544,"endHours":25.109923119518413,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:07","end":"07:45","startHours":6.110295313703467,"endHours":7.750833080691344,"quality":"neutral"},{"name":"Labha","start":"07:45","end":"09:23","startHours":7.750833080691344,"endHours":9.391370847679223,"quality":"auspicious"},{"name":"Amṛta","start":"09:23","end":"11:02","startHours":9.391370847679223,"endHours":11.031908614667099,"quality":"auspicious"},{"name":"Kāla","start":"11:02","end":"12:40","startHours":11.031908614667099,"endHours":12.672446381654979,"quality":"inauspicious"},{"name":"Śubha","start":"12:40","end":"14:19","startHours":12.672446381654979,"endHours":14.312984148642855,"quality":"auspicious"},{"name":"Roga","start":"14:19","end":"15:57","startHours":14.312984148642855,"endHours":15.953521915630734,"quality":"inauspicious"},{"name":"Udveg","start":"15:57","end":"17:36","startHours":15.953521915630734,"endHours":17.59405968261861,"quality":"inauspicious"},{"name":"Chala","start":"17:36","end":"19:14","startHours":17.59405968261861,"endHours":19.23459744960649,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:14","end":"20:36","startHours":19.23459744960649,"endHours":20.594059682618614,"quality":"inauspicious"},{"name":"Udveg","start":"20:36","end":"21:57","startHours":20.594059682618614,"endHours":21.953521915630734,"quality":"inauspicious"},{"name":"Chala","start":"21:57","end":"23:19","startHours":21.953521915630734,"endHours":23.312984148642855,"quality":"neutral"},{"name":"Labha","start":"23:19","end":"00:40","startHours":23.312984148642855,"endHours":24.67244638165498,"quality":"auspicious"},{"name":"Amṛta","start":"00:40","end":"02:02","startHours":24.67244638165498,"endHours":26.031908614667103,"quality":"auspicious"},{"name":"Kāla","start":"02:02","end":"03:23","startHours":26.031908614667103,"endHours":27.391370847679223,"quality":"inauspicious"},{"name":"Śubha","start":"03:23","end":"04:45","startHours":27.391370847679223,"endHours":28.750833080691343,"quality":"auspicious"},{"name":"Roga","start":"04:45","end":"06:07","startHours":28.750833080691343,"endHours":30.110295313703467,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.110295313703467,"endHours":7.110295313703467,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.110295313703467,"endHours":8.110295313703467,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.110295313703467,"endHours":9.110295313703467,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.110295313703467,"endHours":10.110295313703467,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.110295313703467,"endHours":11.110295313703467,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.110295313703467,"endHours":12.110295313703467,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.110295313703467,"endHours":13.110295313703467,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.110295313703467,"endHours":14.110295313703467,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.110295313703467,"endHours":15.110295313703467,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.110295313703467,"endHours":16.110295313703467,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.110295313703467,"endHours":17.110295313703467,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.110295313703467,"endHours":18.110295313703467,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.110295313703467,"endHours":19.110295313703467,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.110295313703467,"endHours":20.110295313703467,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.110295313703467,"endHours":21.110295313703467,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.110295313703467,"endHours":22.110295313703467,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.110295313703467,"endHours":23.110295313703467,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.110295313703467,"endHours":24.110295313703467,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.110295313703467,"endHours":25.110295313703467,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.110295313703467,"endHours":26.110295313703467,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.110295313703467,"endHours":27.110295313703467,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.110295313703467,"endHours":28.110295313703467,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.110295313703467,"endHours":29.110295313703467,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.110295313703467,"endHours":30.110295313703467,"planetary_lord":"Mars"}],"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":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.238087448755877,"eotMinutes":-5.773582899298716,"ayanamsa":23.5951}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Pūrṇimā · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"guru-purnima","name":"Guru Pūrṇimā / Vyāsa Pūrṇimā","name_sanskrit":"गुरु पूर्णिमा / व्यास पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Vyāsa-jī","significance":"Honor Vyāsa-jī and all gurus.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āṣāḍha"},"precedence":1},{"id":"vyasa-purnima","name":"Vyāsa Pūrṇimā (= Guru Pūrṇimā)","name_sanskrit":"व्यास पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Veda-Vyāsa","significance":"Birth of Veda-Vyāsa; Mahābhārata-Purāṇa-vibhāga-kartā. = Guru Pūrṇimā.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Āṣāḍha"},"precedence":1,"related_chart":"vyasa"}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"pune"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 17, 1981 CE · Pune, Maharashtra · Vidhyamitra","description":"July 17, 1981 CE for Pune, Maharashtra: Śukla Pūrṇimā, sūryodaya 06:07, sūryāsta 19:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/pune/1981-07-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/pune/1981-07-17","sa":"https://sa.vidhyamitra.com/city/pune/1981-07-17","hi":"https://hi.vidhyamitra.com/city/pune/1981-07-17","x-default":"https://vidhyamitra.com/city/pune/1981-07-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T22:43:39.750Z","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":"2026-06-01T22:43:39.750Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T22:43:39.750Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}