{"id":"vidhyamitra:day:1677-09-23:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1677-09-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1677-09-23","date_display":"September 23, 1677 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":1677,"month":9,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2333837.770833,"kali_year":4779,"ahargana":1745372.2708,"sun":{"sidereal_longitude":161.1856,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":115.6002,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":314.4147,"elapsed_within_tithi_degrees":2.4147},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":115.6002,"elapsed_within_degrees":8.9336},"yoga":{"number":21,"name":"Siddha","sum_longitude":276.7858},"karana":{"half_tithi_index":52,"name":"Kaulava"},"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":1677,"month":9,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2333837.770833,"ahargana":1745372.2708,"kali_year":4779,"ayanamsa_lahiri":19.3511,"grahas":{"sun":{"sidereal_longitude":161.152192,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":116.71849199999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false,"latitude":-4.3215},"mars":{"sidereal_longitude":188.72569199999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":182.42739200000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":302.773592,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":188.38969199999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":54.52709199999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":221.7778,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":41.7778,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":1677,"month":9,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2333837.770833,"kali_year":4779,"ahargana":1745372.2708,"sun":{"sidereal_longitude":161.1856,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":115.6002,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":314.4147,"elapsed_within_tithi_degrees":2.4147},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":115.6002,"elapsed_within_degrees":8.9336},"yoga":{"number":21,"name":"Siddha","sum_longitude":276.7858},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.321,"elongation":45.585},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.321,"opposition_distance":134.415}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1734,"vikram_samvatsara":"Pramoda","saka_samvat":1599,"saka_samvatsara":"Piṅgala","bengali_samvat":1084,"malayalam_era":853,"nanakshahi_year":208,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Dvādaśī · Vikram 1734 Pramoda · Śaka 1599 Piṅgala"},"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":"1677-09-23T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga September 23, 1677 CE · Vidhyamitra","description":"Vedic pañchāṅga for September 23, 1677 CE: Kṛṣṇa Dvādaśī · Āśleṣā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1677-09-23","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1677-09-23","sa":"https://sa.vidhyamitra.com/day/1677-09-23","hi":"https://hi.vidhyamitra.com/day/1677-09-23","x-default":"https://vidhyamitra.com/day/1677-09-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T21:42:50.125Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-03T21:42:50.125Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}