{"id":"vidhyamitra:day:1690-02-24:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1690-02-24","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1690-02-24","date_display":"February 24, 1690 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":1690,"month":2,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2338374.770833,"kali_year":4791,"ahargana":1749909.2708,"sun":{"sidereal_longitude":317.2809,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":147.494,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":190.2131,"elapsed_within_tithi_degrees":10.2131},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":147.494,"elapsed_within_degrees":0.8273},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":104.7748},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1690,"month":2,"day":24,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2338374.770833,"ahargana":1749909.2708,"kali_year":4791,"ayanamsa_lahiri":19.5247,"grahas":{"sun":{"sidereal_longitude":316.4109450000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":144.97254500000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false,"latitude":1.0793},"mars":{"sidereal_longitude":42.19134500000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":338.679745,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":327.95594500000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":307.2279450000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":213.34174499999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":341.3857,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":161.3857,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":1690,"month":2,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2338374.770833,"kali_year":4791,"ahargana":1749909.2708,"sun":{"sidereal_longitude":317.2809,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":147.494,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":190.2131,"elapsed_within_tithi_degrees":10.2131},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":147.494,"elapsed_within_degrees":0.8273},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":104.7748},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.079,"elongation":169.787},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.079,"opposition_distance":10.213}},"eclipse_window_40days":[{"offset_days":15,"type":"solar","occurs":true,"moon_latitude":-0.649,"elongation":0.011}]},"calendars":{"vikram_samvat":1747,"vikram_samvatsara":"Subhānu","saka_samvat":1612,"saka_samvatsara":"Pramoda","bengali_samvat":1097,"malayalam_era":866,"nanakshahi_year":221,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Pratipada · Vikram 1747 Subhānu · Śaka 1612 Pramoda"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"1690-02-24T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga February 24, 1690 CE · Vidhyamitra","description":"Vedic pañchāṅga for February 24, 1690 CE: Kṛṣṇa Pratipada · Uttara Phalgunī.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1690-02-24","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1690-02-24","sa":"https://sa.vidhyamitra.com/day/1690-02-24","hi":"https://hi.vidhyamitra.com/day/1690-02-24","x-default":"https://vidhyamitra.com/day/1690-02-24"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T03:16:37.962Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-03T03:16:37.962Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}