{"id":"vidhyamitra:day:1681-03-26:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1681-03-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1681-03-26","date_display":"March 26, 1681 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":1681,"month":3,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2335117.770833,"kali_year":4782,"ahargana":1746652.2708,"sun":{"sidereal_longitude":347.4847,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":66.0341,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.5494,"elapsed_within_tithi_degrees":6.5494},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":66.0341,"elapsed_within_degrees":12.7008},"yoga":{"number":5,"name":"Śobhana","sum_longitude":53.5188},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1681,"month":3,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2335117.770833,"ahargana":1746652.2708,"kali_year":4782,"ayanamsa_lahiri":19.4001,"grahas":{"sun":{"sidereal_longitude":346.579987,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":66.60968700000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":-4.497},"mars":{"sidereal_longitude":142.95248700000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":3.6385869999999727,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":55.216587000000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":35.08628699999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":90.19498699999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":153.9572,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":333.9572,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":1681,"month":3,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2335117.770833,"kali_year":4782,"ahargana":1746652.2708,"sun":{"sidereal_longitude":347.4847,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":66.0341,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.5494,"elapsed_within_tithi_degrees":6.5494},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":66.0341,"elapsed_within_degrees":12.7008},"yoga":{"number":5,"name":"Śobhana","sum_longitude":53.5188},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.497,"elongation":78.549},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.497,"opposition_distance":101.451}},"eclipse_window_40days":[{"offset_days":-6,"type":"solar","occurs":true,"moon_latitude":-0.475,"elongation":1.22}]},"calendars":{"vikram_samvat":1738,"vikram_samvatsara":"Bhāva","saka_samvat":1603,"saka_samvatsara":"Durmati","bengali_samvat":1088,"malayalam_era":857,"nanakshahi_year":212,"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 1738 Bhāva · Śaka 1603 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"1681-03-26T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga March 26, 1681 CE · Vidhyamitra","description":"Vedic pañchāṅga for March 26, 1681 CE: Śukla Saptamī · Mṛgaśīrṣā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1681-03-26","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1681-03-26","sa":"https://sa.vidhyamitra.com/day/1681-03-26","hi":"https://hi.vidhyamitra.com/day/1681-03-26","x-default":"https://vidhyamitra.com/day/1681-03-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T22:52:00.606Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-03T22:52:00.606Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}