{"id":"vidhyamitra:day:1670-02-02:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1670-02-02","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1670-02-02","date_display":"February 2, 1670 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":1670,"month":2,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2331047.770833,"kali_year":4771,"ahargana":1742582.2708,"sun":{"sidereal_longitude":295.1768,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":81.6179,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.4411,"elapsed_within_tithi_degrees":2.4411},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":81.6179,"elapsed_within_degrees":1.6179},"yoga":{"number":2,"name":"Prīti","sum_longitude":16.7948},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1670,"month":2,"day":2,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2331047.770833,"ahargana":1742582.2708,"kali_year":4771,"ayanamsa_lahiri":19.2444,"grahas":{"sun":{"sidereal_longitude":294.35459000000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":81.68669,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false,"latitude":4.2796},"mars":{"sidereal_longitude":220.11019,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":297.81809,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":81.62308999999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"venus":{"sidereal_longitude":345.49079,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":311.2605900000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":9.6054,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":189.6054,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":1670,"month":2,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2331047.770833,"kali_year":4771,"ahargana":1742582.2708,"sun":{"sidereal_longitude":295.1768,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":81.6179,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":146.4411,"elapsed_within_tithi_degrees":2.4411},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":81.6179,"elapsed_within_degrees":1.6179},"yoga":{"number":2,"name":"Prīti","sum_longitude":16.7948},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.28,"elongation":146.441},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.28,"opposition_distance":33.559}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1727,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1592,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1077,"malayalam_era":846,"nanakshahi_year":201,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Trayodaśī · Vikram 1727 Rudhirodgāri · Śaka 1592 Sādhāraṇa"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"valid_from":"1670-02-02T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga February 2, 1670 CE · Vidhyamitra","description":"Vedic pañchāṅga for February 2, 1670 CE: Śukla Trayodaśī · Punarvasu.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1670-02-02","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1670-02-02","sa":"https://sa.vidhyamitra.com/day/1670-02-02","hi":"https://hi.vidhyamitra.com/day/1670-02-02","x-default":"https://vidhyamitra.com/day/1670-02-02"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T16:32:10.011Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-04T16:32:10.011Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}