{"id":"vidhyamitra:day:1737-04-11:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1737-04-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1737-04-11","date_display":"April 11, 1737 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":1737,"month":4,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2355586.770833,"kali_year":4838,"ahargana":1767121.2708,"sun":{"sidereal_longitude":1.7079,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":128.6883,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":126.9805,"elapsed_within_tithi_degrees":6.9805},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":128.6883,"elapsed_within_degrees":8.6883},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":130.3962},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"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":1737,"month":4,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2355586.770833,"ahargana":1767121.2708,"kali_year":4838,"ayanamsa_lahiri":20.183,"grahas":{"sun":{"sidereal_longitude":0.9690200000000004,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":125.09712000000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":-1.5909},"mars":{"sidereal_longitude":64.63141999999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":341.97982,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":324.7757200000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":50.24032,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":51.15992,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":149.4111,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":329.4111,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1737,"month":4,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2355586.770833,"kali_year":4838,"ahargana":1767121.2708,"sun":{"sidereal_longitude":1.7079,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":128.6883,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":126.9805,"elapsed_within_tithi_degrees":6.9805},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":128.6883,"elapsed_within_degrees":8.6883},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":130.3962},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.591,"elongation":126.98},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.591,"opposition_distance":53.02}},"eclipse_window_40days":[{"offset_days":-11,"type":"solar","occurs":true,"moon_latitude":-1.406,"elongation":2.715}]},"calendars":{"vikram_samvat":1794,"vikram_samvatsara":"Pramoda","saka_samvat":1659,"saka_samvatsara":"Piṅgala","bengali_samvat":1144,"malayalam_era":913,"nanakshahi_year":268,"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":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Ekādaśī · Vikram 1794 Pramoda · Śaka 1659 Piṅgala"},"festivals":[{"id":"kamada-ekadashi","name":"Kāmadā Ekādaśī","name_sanskrit":"कामदा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Fulfills righteous desires; removes brahma-hatyā.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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":[]},"validity":{"eternal":false,"valid_from":"1737-04-11T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga April 11, 1737 CE · Vidhyamitra","description":"Vedic pañchāṅga for April 11, 1737 CE: Śukla Ekādaśī · Maghā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1737-04-11","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1737-04-11","sa":"https://sa.vidhyamitra.com/day/1737-04-11","hi":"https://hi.vidhyamitra.com/day/1737-04-11","x-default":"https://vidhyamitra.com/day/1737-04-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-28T14:28:27.787Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-28T14:28:27.787Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}