{"id":"vidhyamitra:city-day:solapur:1981-04-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/solapur/1981-04-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-04-09","date_display":"April 9, 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":4,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444703.770833,"kali_year":5082,"ahargana":1856238.2708,"sun":{"sidereal_longitude":355.71,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":51.1481,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":55.4382,"elapsed_within_tithi_degrees":7.4382},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":51.1481,"elapsed_within_degrees":11.1481},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":46.8581},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":4,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444703.770833,"ahargana":1856238.2708,"kali_year":5082,"ayanamsa_lahiri":23.5913,"grahas":{"sun":{"sidereal_longitude":355.518796,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":54.270396000000005,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false,"latitude":-3.7476},"mars":{"sidereal_longitude":354.35069599999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":337.712396,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":160.260496,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"venus":{"sidereal_longitude":356.226796,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":161.63919599999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":107.5636,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":287.5636,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":4,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444703.770833,"kali_year":5082,"ahargana":1856238.2708,"sun":{"sidereal_longitude":355.71,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":51.1481,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":55.4382,"elapsed_within_tithi_degrees":7.4382},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":51.1481,"elapsed_within_degrees":11.1481},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":46.8581},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.748,"elongation":55.438},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.748,"opposition_distance":124.562}},"eclipse_window_40days":[]},"city":{"slug":"solapur","name":"Solapur, Maharashtra","lat":17.6599,"lon":75.9064,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"solapur","name":"Solapur, Maharashtra","lat":17.6599,"lon":75.9064,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"06:15","sunsetLocal":"18:41","solarNoonLocal":"12:28","dayLengthHours":12.437210127941347,"dayLengthDisplay":"12 Hours 26 Mins 14 Secs","nightLengthDisplay":"11 Hours 33 Mins 46 Secs","moonriseLocal":"09:50","moonsetLocal":"22:57","rahuKala":{"name":"Rāhu Kāla","start":"14:02","end":"15:35","startHours":14.025829370713423,"endHours":15.58048063670609,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:15","end":"07:48","startHours":6.252573040750081,"endHours":7.807224306742749,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:22","end":"10:55","startHours":9.361875572735418,"endHours":10.916526838728085,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:34","startHours":9.154588737269728,"endHours":9.569162408201105,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:46","end":"07:06","startHours":6.770790129414303,"endHours":7.102449066159406,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:53","startHours":12.056604433789376,"endHours":12.885751775652134,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:36","end":"05:25","startHours":4.594278357024567,"endHours":5.423425698887324,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:13","end":"06:15","startHours":5.2161388634216355,"endHours":6.252573040750081,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:22","startHours":14.544046459377645,"endHours":15.3731938012404,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:29","end":"18:53","startHours":18.489783168691428,"endHours":18.889783168691427,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:41","end":"19:12","startHours":18.689783168691427,"endHours":19.20800025735565,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:26","end":"20:11","startHours":18.439783168691427,"endHours":20.189783168691427,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:53","startHours":24.056604433789378,"endHours":24.885751775652135,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:15","end":"07:48","startHours":6.252573040750081,"endHours":7.807224306742749,"quality":"auspicious"},{"name":"Roga","start":"07:48","end":"09:22","startHours":7.807224306742749,"endHours":9.361875572735418,"quality":"inauspicious"},{"name":"Udveg","start":"09:22","end":"10:55","startHours":9.361875572735418,"endHours":10.916526838728085,"quality":"inauspicious"},{"name":"Chala","start":"10:55","end":"12:28","startHours":10.916526838728085,"endHours":12.471178104720753,"quality":"neutral"},{"name":"Labha","start":"12:28","end":"14:02","startHours":12.471178104720753,"endHours":14.025829370713423,"quality":"auspicious"},{"name":"Amṛta","start":"14:02","end":"15:35","startHours":14.025829370713423,"endHours":15.58048063670609,"quality":"auspicious"},{"name":"Kāla","start":"15:35","end":"17:08","startHours":15.58048063670609,"endHours":17.13513190269876,"quality":"inauspicious"},{"name":"Śubha","start":"17:08","end":"18:41","startHours":17.13513190269876,"endHours":18.689783168691427,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:41","end":"20:08","startHours":18.689783168691427,"endHours":20.13513190269876,"quality":"auspicious"},{"name":"Kāla","start":"20:08","end":"21:35","startHours":20.13513190269876,"endHours":21.580480636706092,"quality":"inauspicious"},{"name":"Śubha","start":"21:35","end":"23:02","startHours":21.580480636706092,"endHours":23.025829370713424,"quality":"auspicious"},{"name":"Roga","start":"23:02","end":"00:28","startHours":23.025829370713424,"endHours":24.471178104720753,"quality":"inauspicious"},{"name":"Udveg","start":"00:28","end":"01:55","startHours":24.471178104720753,"endHours":25.916526838728085,"quality":"inauspicious"},{"name":"Chala","start":"01:55","end":"03:22","startHours":25.916526838728085,"endHours":27.361875572735418,"quality":"neutral"},{"name":"Labha","start":"03:22","end":"04:48","startHours":27.361875572735418,"endHours":28.807224306742746,"quality":"auspicious"},{"name":"Amṛta","start":"04:48","end":"06:15","startHours":28.807224306742746,"endHours":30.25257304075008,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:15","end":"07:15","startHours":6.252573040750081,"endHours":7.252573040750081,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:15","end":"08:15","startHours":7.252573040750081,"endHours":8.25257304075008,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:15","end":"09:15","startHours":8.25257304075008,"endHours":9.25257304075008,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:15","end":"10:15","startHours":9.25257304075008,"endHours":10.25257304075008,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:15","end":"11:15","startHours":10.25257304075008,"endHours":11.25257304075008,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:15","end":"12:15","startHours":11.25257304075008,"endHours":12.25257304075008,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:15","end":"13:15","startHours":12.25257304075008,"endHours":13.25257304075008,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:15","end":"14:15","startHours":13.25257304075008,"endHours":14.25257304075008,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:15","end":"15:15","startHours":14.25257304075008,"endHours":15.25257304075008,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:15","end":"16:15","startHours":15.25257304075008,"endHours":16.25257304075008,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:15","end":"17:15","startHours":16.25257304075008,"endHours":17.25257304075008,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:15","end":"18:15","startHours":17.25257304075008,"endHours":18.25257304075008,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:15","end":"19:15","startHours":18.25257304075008,"endHours":19.25257304075008,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:15","end":"20:15","startHours":19.25257304075008,"endHours":20.25257304075008,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:15","end":"21:15","startHours":20.25257304075008,"endHours":21.25257304075008,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:15","end":"22:15","startHours":21.25257304075008,"endHours":22.25257304075008,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:15","end":"23:15","startHours":22.25257304075008,"endHours":23.25257304075008,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:15","end":"00:15","startHours":23.25257304075008,"endHours":24.25257304075008,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:15","end":"01:15","startHours":24.25257304075008,"endHours":25.25257304075008,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:15","end":"02:15","startHours":25.25257304075008,"endHours":26.25257304075008,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:15","end":"03:15","startHours":26.25257304075008,"endHours":27.25257304075008,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:15","end":"04:15","startHours":27.25257304075008,"endHours":28.25257304075008,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:15","end":"05:15","startHours":28.25257304075008,"endHours":29.25257304075008,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:15","end":"06:15","startHours":29.25257304075008,"endHours":30.25257304075008,"planetary_lord":"Moon"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":7.481808705675457,"eotMinutes":-1.8962862832453116,"ayanamsa":23.5913}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Pañcamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"ramanuja-jayanti","name":"Rāmānujācārya Jayantī","name_sanskrit":"रामानुजाचार्य जयन्ती","tradition":"Vaishnava","associated_deity":"Rāmānujācārya (Viśiṣṭādvaita)","significance":"Birth of Rāmānujācārya; Viśiṣṭādvaita-pratiṣṭhāpaka. Caitra Śukla 5.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":3}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"solapur"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 9, 1981 CE · Solapur, Maharashtra · Vidhyamitra","description":"April 9, 1981 CE for Solapur, Maharashtra: Śukla Pañcamī, sūryodaya 06:15, sūryāsta 18:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/solapur/1981-04-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/solapur/1981-04-09","sa":"https://sa.vidhyamitra.com/city/solapur/1981-04-09","hi":"https://hi.vidhyamitra.com/city/solapur/1981-04-09","x-default":"https://vidhyamitra.com/city/solapur/1981-04-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T16:40:38.617Z","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":"2026-06-02T16:40:38.617Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T16:40:38.617Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}