{"id":"vidhyamitra:day:1639-05-26:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1639-05-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1639-05-26","date_display":"May 26, 1639 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":1639,"month":5,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2319837.770833,"kali_year":4741,"ahargana":1731372.2708,"sun":{"sidereal_longitude":46.3156,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":330.1299,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.8142,"elapsed_within_tithi_degrees":7.8142},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.1299,"elapsed_within_degrees":10.1299},"yoga":{"number":2,"name":"Prīti","sum_longitude":16.4455},"karana":{"half_tithi_index":47,"name":"Gara"},"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":1639,"month":5,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2319837.770833,"ahargana":1731372.2708,"kali_year":4741,"ayanamsa_lahiri":18.8157,"grahas":{"sun":{"sidereal_longitude":45.588194999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":330.36259500000006,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false,"latitude":4.4919},"mars":{"sidereal_longitude":72.51899500000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":73.71419500000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":226.43639499999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":74.938695,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":304.4781949999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":243.5651,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":63.5651,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"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":1639,"month":5,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2319837.770833,"kali_year":4741,"ahargana":1731372.2708,"sun":{"sidereal_longitude":46.3156,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":330.1299,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.8142,"elapsed_within_tithi_degrees":7.8142},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.1299,"elapsed_within_degrees":10.1299},"yoga":{"number":2,"name":"Prīti","sum_longitude":16.4455},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.492,"elongation":76.186},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.492,"opposition_distance":103.814}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1696,"vikram_samvatsara":"Nandana","saka_samvat":1561,"saka_samvatsara":"Pramāthi","bengali_samvat":1046,"malayalam_era":815,"nanakshahi_year":170,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Navamī · Vikram 1696 Nandana · Śaka 1561 Pramāthi"},"festivals":[],"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":"1639-05-26T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga May 26, 1639 CE · Vidhyamitra","description":"Vedic pañchāṅga for May 26, 1639 CE: Kṛṣṇa Navamī · Pūrva Bhādrapadā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1639-05-26","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1639-05-26","sa":"https://sa.vidhyamitra.com/day/1639-05-26","hi":"https://hi.vidhyamitra.com/day/1639-05-26","x-default":"https://vidhyamitra.com/day/1639-05-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-09T19:32:42.089Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-09T19:32:42.089Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}