{"id":"vidhyamitra:city-day:lucknow:1981-06-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/1981-06-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-06-15","date_display":"June 15, 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":6,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444770.770833,"kali_year":5083,"ahargana":1856305.2708,"sun":{"sidereal_longitude":60.0919,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":210.2938,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":150.2018,"elapsed_within_tithi_degrees":6.2018},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.2938,"elapsed_within_degrees":10.2938},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.3857},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":1981,"month":6,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444770.770833,"ahargana":1856305.2708,"kali_year":5083,"ayanamsa_lahiri":23.5939,"grahas":{"sun":{"sidereal_longitude":60.271735999999976,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":211.665036,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":4.3192},"mars":{"sidereal_longitude":43.617636000000005,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":70.842736,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":157.56063600000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":78.63683600000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":159.22763600000008,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":104.0136,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":284.0136,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":6,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444770.770833,"kali_year":5083,"ahargana":1856305.2708,"sun":{"sidereal_longitude":60.0919,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":210.2938,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":150.2018,"elapsed_within_tithi_degrees":6.2018},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.2938,"elapsed_within_degrees":10.2938},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.3857},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.319,"elongation":150.202},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.319,"opposition_distance":29.798}},"eclipse_window_40days":[]},"city":{"slug":"lucknow","name":"Lucknow, Uttar Pradesh","lat":26.8467,"lon":80.9462,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"lucknow","name":"Lucknow, Uttar Pradesh","lat":26.8467,"lon":80.9462,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:12","sunsetLocal":"19:01","solarNoonLocal":"12:06","dayLengthHours":13.817468451185892,"dayLengthDisplay":"13 Hours 49 Mins 03 Secs","nightLengthDisplay":"10 Hours 10 Mins 57 Secs","moonriseLocal":"16:49","moonsetLocal":"03:34","rahuKala":{"name":"Rāhu Kāla","start":"06:56","end":"08:39","startHours":6.925243613560811,"endHours":8.652427169959047,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:23","end":"12:06","startHours":10.379610726357285,"endHours":12.10679428275552,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:50","end":"15:34","startHours":13.833977839153757,"endHours":15.561161395551995,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:25","end":"08:53","startHours":8.42213602910595,"endHours":8.882718310812145,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:46","end":"06:09","startHours":5.7737879092953195,"endHours":6.142253734660277,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:34","startHours":11.646212001049324,"endHours":12.567376564461718,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:21","end":"04:17","startHours":3.3557309303377885,"endHours":4.276895493750182,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:03","end":"05:12","startHours":4.0466043528970825,"endHours":5.198060057162574,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:20","startHours":14.409705691286504,"endHours":15.330870254698898,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:49","end":"19:13","startHours":18.815528508348468,"endHours":19.215528508348466,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:01","end":"19:35","startHours":19.015528508348467,"endHours":19.591256360481214,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:46","end":"20:31","startHours":18.765528508348467,"endHours":20.515528508348467,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:34","startHours":23.646212001049328,"endHours":24.567376564461718,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:12","end":"06:56","startHours":5.198060057162574,"endHours":6.925243613560811,"quality":"auspicious"},{"name":"Kāla","start":"06:56","end":"08:39","startHours":6.925243613560811,"endHours":8.652427169959047,"quality":"inauspicious"},{"name":"Śubha","start":"08:39","end":"10:23","startHours":8.652427169959047,"endHours":10.379610726357285,"quality":"auspicious"},{"name":"Roga","start":"10:23","end":"12:06","startHours":10.379610726357285,"endHours":12.10679428275552,"quality":"inauspicious"},{"name":"Udveg","start":"12:06","end":"13:50","startHours":12.10679428275552,"endHours":13.833977839153757,"quality":"inauspicious"},{"name":"Chala","start":"13:50","end":"15:34","startHours":13.833977839153757,"endHours":15.561161395551995,"quality":"neutral"},{"name":"Labha","start":"15:34","end":"17:17","startHours":15.561161395551995,"endHours":17.28834495195023,"quality":"auspicious"},{"name":"Amṛta","start":"17:17","end":"19:01","startHours":17.28834495195023,"endHours":19.015528508348467,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:01","end":"20:17","startHours":19.015528508348467,"endHours":20.28834495195023,"quality":"neutral"},{"name":"Labha","start":"20:17","end":"21:34","startHours":20.28834495195023,"endHours":21.561161395551995,"quality":"auspicious"},{"name":"Amṛta","start":"21:34","end":"22:50","startHours":21.561161395551995,"endHours":22.833977839153757,"quality":"auspicious"},{"name":"Kāla","start":"22:50","end":"00:06","startHours":22.833977839153757,"endHours":24.106794282755523,"quality":"inauspicious"},{"name":"Śubha","start":"00:06","end":"01:23","startHours":24.106794282755523,"endHours":25.379610726357285,"quality":"auspicious"},{"name":"Roga","start":"01:23","end":"02:39","startHours":25.379610726357285,"endHours":26.652427169959047,"quality":"inauspicious"},{"name":"Udveg","start":"02:39","end":"03:56","startHours":26.652427169959047,"endHours":27.92524361356081,"quality":"inauspicious"},{"name":"Chala","start":"03:56","end":"05:12","startHours":27.92524361356081,"endHours":29.198060057162575,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:12","end":"06:12","startHours":5.198060057162574,"endHours":6.198060057162574,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:12","end":"07:12","startHours":6.198060057162574,"endHours":7.198060057162574,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:12","end":"08:12","startHours":7.198060057162574,"endHours":8.198060057162575,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:12","end":"09:12","startHours":8.198060057162575,"endHours":9.198060057162575,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:12","end":"10:12","startHours":9.198060057162575,"endHours":10.198060057162575,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:12","end":"11:12","startHours":10.198060057162575,"endHours":11.198060057162575,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:12","end":"12:12","startHours":11.198060057162575,"endHours":12.198060057162575,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:12","end":"13:12","startHours":12.198060057162575,"endHours":13.198060057162575,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:12","end":"14:12","startHours":13.198060057162575,"endHours":14.198060057162575,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:12","end":"15:12","startHours":14.198060057162575,"endHours":15.198060057162575,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:12","end":"16:12","startHours":15.198060057162575,"endHours":16.198060057162575,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:12","end":"17:12","startHours":16.198060057162575,"endHours":17.198060057162575,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:12","end":"18:12","startHours":17.198060057162575,"endHours":18.198060057162575,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:12","end":"19:12","startHours":18.198060057162575,"endHours":19.198060057162575,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:12","end":"20:12","startHours":19.198060057162575,"endHours":20.198060057162575,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:12","end":"21:12","startHours":20.198060057162575,"endHours":21.198060057162575,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:12","end":"22:12","startHours":21.198060057162575,"endHours":22.198060057162575,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:12","end":"23:12","startHours":22.198060057162575,"endHours":23.198060057162575,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:12","end":"00:12","startHours":23.198060057162575,"endHours":24.198060057162575,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:12","end":"01:12","startHours":24.198060057162575,"endHours":25.198060057162575,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:12","end":"02:12","startHours":25.198060057162575,"endHours":26.198060057162575,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:12","end":"03:12","startHours":26.198060057162575,"endHours":27.198060057162575,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:12","end":"04:12","startHours":27.198060057162575,"endHours":28.198060057162575,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:12","end":"05:12","startHours":28.198060057162575,"endHours":29.198060057162575,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":23.294357867765363,"eotMinutes":-0.19245696533128553,"ayanamsa":23.5939}},"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","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Trayodaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"lucknow"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga June 15, 1981 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"June 15, 1981 CE for Lucknow, Uttar Pradesh: Śukla Trayodaśī, sūryodaya 05:12, sūryāsta 19:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/1981-06-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/1981-06-15","sa":"https://sa.vidhyamitra.com/city/lucknow/1981-06-15","hi":"https://hi.vidhyamitra.com/city/lucknow/1981-06-15","x-default":"https://vidhyamitra.com/city/lucknow/1981-06-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T01:51:11.156Z","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":"2026-05-19T01:51:11.156Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T01:51:11.156Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}