{"id":"vidhyamitra:day:1709-02-11:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1709-02-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1709-02-11","date_display":"February 11, 1709 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":1709,"month":2,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2345300.770833,"kali_year":4810,"ahargana":1756835.2708,"sun":{"sidereal_longitude":303.2177,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":318.5755,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":15.3578,"elapsed_within_tithi_degrees":3.3578},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":318.5755,"elapsed_within_degrees":11.9089},"yoga":{"number":20,"name":"Śiva","sum_longitude":261.7932},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1709,"month":2,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2345300.770833,"ahargana":1756835.2708,"kali_year":4810,"ayanamsa_lahiri":19.7896,"grahas":{"sun":{"sidereal_longitude":302.44342099999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":316.444021,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":-1.2269},"mars":{"sidereal_longitude":79.64142100000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":305.066821,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":195.53072099999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":273.432821,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":68.74952100000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":334.4129,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":154.4129,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":1709,"month":2,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2345300.770833,"kali_year":4810,"ahargana":1756835.2708,"sun":{"sidereal_longitude":303.2177,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":318.5755,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":15.3578,"elapsed_within_tithi_degrees":3.3578},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4,"moon_longitude":318.5755,"elapsed_within_degrees":11.9089},"yoga":{"number":20,"name":"Śiva","sum_longitude":261.7932},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.227,"elongation":15.358},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.227,"opposition_distance":164.642}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1766,"vikram_samvatsara":"Śubhakṛt","saka_samvat":1631,"saka_samvatsara":"Virodhi","bengali_samvat":1116,"malayalam_era":885,"nanakshahi_year":240,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","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":"Śiśira (Winter)","display_summary":"Phālguna Śukla Dvitīyā · Vikram 1766 Śubhakṛt · Śaka 1631 Virodhi"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"1709-02-11T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga February 11, 1709 CE · Vidhyamitra","description":"Vedic pañchāṅga for February 11, 1709 CE: Śukla Dvitīyā · Śatabhiṣā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1709-02-11","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1709-02-11","sa":"https://sa.vidhyamitra.com/day/1709-02-11","hi":"https://hi.vidhyamitra.com/day/1709-02-11","x-default":"https://vidhyamitra.com/day/1709-02-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T03:09:26.368Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-02T03:09:26.368Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}