{"id":"vidhyamitra:day:1942-08-13:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1942-08-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1942-08-13","date_display":"August 13, 1942 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":1942,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2430584.770833,"kali_year":5044,"ahargana":1842119.2708,"sun":{"sidereal_longitude":116.1472,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":127.311,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":11.1639,"elapsed_within_tithi_degrees":11.1639},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":127.311,"elapsed_within_degrees":7.311},"yoga":{"number":19,"name":"Parigha","sum_longitude":243.4582},"karana":{"half_tithi_index":1,"name":"Bava"},"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":1942,"month":8,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2430584.770833,"ahargana":1842119.2708,"kali_year":5044,"ayanamsa_lahiri":23.0513,"grahas":{"sun":{"sidereal_longitude":116.61254500000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":127.35614500000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false,"latitude":-0.6524},"mars":{"sidereal_longitude":135.121145,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":127.66814499999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":81.68494499999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":92.81304499999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":48.20864499999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":135.6561,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":315.6561,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1942,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2430584.770833,"kali_year":5044,"ahargana":1842119.2708,"sun":{"sidereal_longitude":116.1472,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":127.311,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":11.1639,"elapsed_within_tithi_degrees":11.1639},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":127.311,"elapsed_within_degrees":7.311},"yoga":{"number":19,"name":"Parigha","sum_longitude":243.4582},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.652,"elongation":11.164},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.652,"opposition_distance":168.836}},"eclipse_window_40days":[{"offset_days":13,"type":"lunar","occurs":true,"moon_latitude":0.491,"opposition_distance":0.094}]},"calendars":{"vikram_samvat":1999,"vikram_samvatsara":"Manmatha","saka_samvat":1864,"saka_samvatsara":"Citrabhānu","bengali_samvat":1349,"malayalam_era":1118,"nanakshahi_year":473,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Pratipada · Vikram 1999 Manmatha · Śaka 1864 Citrabhānu"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"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":"1942-08-13T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga August 13, 1942 CE · Vidhyamitra","description":"Vedic pañchāṅga for August 13, 1942 CE: Śukla Pratipada · Maghā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1942-08-13","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1942-08-13","sa":"https://sa.vidhyamitra.com/day/1942-08-13","hi":"https://hi.vidhyamitra.com/day/1942-08-13","x-default":"https://vidhyamitra.com/day/1942-08-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T08:31:32.902Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T08:31:32.902Z","pillar_versions":{"BOB-History":"Pūrṇa"}}}