{"id":"vidhyamitra:city-day:indore:1981-04-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/indore/1981-04-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-04-11","date_display":"April 11, 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":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444705.770833,"kali_year":5082,"ahargana":1856240.2708,"sun":{"sidereal_longitude":357.6675,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":79.0463,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":81.3788,"elapsed_within_tithi_degrees":9.3788},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":79.0463,"elapsed_within_degrees":12.3797},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":76.7139},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":1981,"month":4,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444705.770833,"ahargana":1856240.2708,"kali_year":5082,"ayanamsa_lahiri":23.5914,"grahas":{"sun":{"sidereal_longitude":357.482319,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":82.14351899999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false,"latitude":-2.1394},"mars":{"sidereal_longitude":355.875119,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":341.165819,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":160.02391899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"venus":{"sidereal_longitude":358.703619,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":161.49001899999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":107.4576,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":287.4576,"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":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444705.770833,"kali_year":5082,"ahargana":1856240.2708,"sun":{"sidereal_longitude":357.6675,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":79.0463,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":81.3788,"elapsed_within_tithi_degrees":9.3788},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":79.0463,"elapsed_within_degrees":12.3797},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":76.7139},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.139,"elongation":81.379},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.139,"opposition_distance":98.621}},"eclipse_window_40days":[]},"city":{"slug":"indore","name":"Indore, Madhya Pradesh","lat":22.7196,"lon":75.8577,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"indore","name":"Indore, Madhya Pradesh","lat":22.7196,"lon":75.8577,"tz_offset_hours":5.5,"state":"Madhya Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"06:10","sunsetLocal":"18:45","solarNoonLocal":"12:28","dayLengthHours":12.584432497732159,"dayLengthDisplay":"12 Hours 35 Mins 04 Secs","nightLengthDisplay":"11 Hours 24 Mins 56 Secs","moonriseLocal":"11:24","moonsetLocal":"00:49","rahuKala":{"name":"Rāhu Kāla","start":"09:19","end":"10:54","startHours":9.318756657908242,"endHours":10.891810720124761,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:02","end":"15:37","startHours":14.037918844557801,"endHours":15.610972906774322,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:10","end":"07:45","startHours":6.1726485334752015,"endHours":7.745702595691721,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:32","startHours":9.109016116279372,"endHours":9.52849719953711,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:42","end":"07:02","startHours":6.696999887547375,"endHours":7.032584754153566,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:53","startHours":12.045383699083542,"endHours":12.884345865599018,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:20","startHours":4.494724200444247,"endHours":5.333686366959724,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:07","end":"06:10","startHours":5.123945825330855,"endHours":6.1726485334752015,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:24","startHours":14.562270198629975,"endHours":15.401232365145452,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:33","end":"18:57","startHours":18.55708103120736,"endHours":18.95708103120736,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:45","end":"19:17","startHours":18.75708103120736,"endHours":19.281432385279533,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:30","end":"20:15","startHours":18.50708103120736,"endHours":20.25708103120736,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:53","startHours":24.04538369908354,"endHours":24.88434586559902,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:10","end":"07:45","startHours":6.1726485334752015,"endHours":7.745702595691721,"quality":"inauspicious"},{"name":"Śubha","start":"07:45","end":"09:19","startHours":7.745702595691721,"endHours":9.318756657908242,"quality":"auspicious"},{"name":"Roga","start":"09:19","end":"10:54","startHours":9.318756657908242,"endHours":10.891810720124761,"quality":"inauspicious"},{"name":"Udveg","start":"10:54","end":"12:28","startHours":10.891810720124761,"endHours":12.46486478234128,"quality":"inauspicious"},{"name":"Chala","start":"12:28","end":"14:02","startHours":12.46486478234128,"endHours":14.037918844557801,"quality":"neutral"},{"name":"Labha","start":"14:02","end":"15:37","startHours":14.037918844557801,"endHours":15.610972906774322,"quality":"auspicious"},{"name":"Amṛta","start":"15:37","end":"17:11","startHours":15.610972906774322,"endHours":17.18402696899084,"quality":"auspicious"},{"name":"Kāla","start":"17:11","end":"18:45","startHours":17.18402696899084,"endHours":18.75708103120736,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:45","end":"20:11","startHours":18.75708103120736,"endHours":20.18402696899084,"quality":"auspicious"},{"name":"Amṛta","start":"20:11","end":"21:37","startHours":20.18402696899084,"endHours":21.61097290677432,"quality":"auspicious"},{"name":"Kāla","start":"21:37","end":"23:02","startHours":21.61097290677432,"endHours":23.0379188445578,"quality":"inauspicious"},{"name":"Śubha","start":"23:02","end":"00:28","startHours":23.0379188445578,"endHours":24.46486478234128,"quality":"auspicious"},{"name":"Roga","start":"00:28","end":"01:54","startHours":24.46486478234128,"endHours":25.89181072012476,"quality":"inauspicious"},{"name":"Udveg","start":"01:54","end":"03:19","startHours":25.89181072012476,"endHours":27.31875665790824,"quality":"inauspicious"},{"name":"Chala","start":"03:19","end":"04:45","startHours":27.31875665790824,"endHours":28.74570259569172,"quality":"neutral"},{"name":"Labha","start":"04:45","end":"06:10","startHours":28.74570259569172,"endHours":30.1726485334752,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:10","end":"07:10","startHours":6.1726485334752015,"endHours":7.1726485334752015,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:10","end":"08:10","startHours":7.1726485334752015,"endHours":8.1726485334752,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:10","end":"09:10","startHours":8.1726485334752,"endHours":9.1726485334752,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:10","end":"10:10","startHours":9.1726485334752,"endHours":10.1726485334752,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:10","end":"11:10","startHours":10.1726485334752,"endHours":11.1726485334752,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:10","end":"12:10","startHours":11.1726485334752,"endHours":12.1726485334752,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:10","end":"13:10","startHours":12.1726485334752,"endHours":13.1726485334752,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:10","end":"14:10","startHours":13.1726485334752,"endHours":14.1726485334752,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:10","end":"15:10","startHours":14.1726485334752,"endHours":15.1726485334752,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:10","end":"16:10","startHours":15.1726485334752,"endHours":16.1726485334752,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:10","end":"17:10","startHours":16.1726485334752,"endHours":17.1726485334752,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:10","end":"18:10","startHours":17.1726485334752,"endHours":18.1726485334752,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:10","end":"19:10","startHours":18.1726485334752,"endHours":19.1726485334752,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:10","end":"20:10","startHours":19.1726485334752,"endHours":20.1726485334752,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:10","end":"21:10","startHours":20.1726485334752,"endHours":21.1726485334752,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:10","end":"22:10","startHours":21.1726485334752,"endHours":22.1726485334752,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:10","end":"23:10","startHours":22.1726485334752,"endHours":23.1726485334752,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:10","end":"00:10","startHours":23.1726485334752,"endHours":24.1726485334752,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:10","end":"01:10","startHours":24.1726485334752,"endHours":25.1726485334752,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:10","end":"02:10","startHours":25.1726485334752,"endHours":26.1726485334752,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:10","end":"03:10","startHours":26.1726485334752,"endHours":27.1726485334752,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:10","end":"04:10","startHours":27.1726485334752,"endHours":28.1726485334752,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:10","end":"05:10","startHours":28.1726485334752,"endHours":29.1726485334752,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:10","end":"06:10","startHours":29.1726485334752,"endHours":30.1726485334752,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":8.222186829004404,"eotMinutes":-1.322686940476858,"ayanamsa":23.5914}},"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 Saptamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"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":[]},"validity":{"eternal":false,"location_specific":"indore"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 11, 1981 CE · Indore, Madhya Pradesh · Vidhyamitra","description":"April 11, 1981 CE for Indore, Madhya Pradesh: Śukla Saptamī, sūryodaya 06:10, sūryāsta 18:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/indore/1981-04-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/indore/1981-04-11","sa":"https://sa.vidhyamitra.com/city/indore/1981-04-11","hi":"https://hi.vidhyamitra.com/city/indore/1981-04-11","x-default":"https://vidhyamitra.com/city/indore/1981-04-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:34:19.917Z","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":"2026-05-31T06:34:19.917Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:34:19.917Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}