{"id":"vidhyamitra:day:1916-10-25:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1916-10-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1916-10-25","date_display":"October 25, 1916 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":1916,"month":10,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421161.770833,"kali_year":5018,"ahargana":1832696.2708,"sun":{"sidereal_longitude":188.0985,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":164.8762,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.7777,"elapsed_within_tithi_degrees":0.7777},"nakshatra":{"number":13,"name":"Hasta","pada":2,"moon_longitude":164.8762,"elapsed_within_degrees":4.8762},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.9746},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1916,"month":10,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2421161.770833,"ahargana":1832696.2708,"kali_year":5018,"ayanamsa_lahiri":22.691,"grahas":{"sun":{"sidereal_longitude":188.604373,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":166.22367299999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false,"latitude":-4.2266},"mars":{"sidereal_longitude":220.596673,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":172.349373,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":8.089072999999985,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":147.927773,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":98.20437300000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":274.932,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":94.932,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1916,"month":10,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421161.770833,"kali_year":5018,"ahargana":1832696.2708,"sun":{"sidereal_longitude":188.0985,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":164.8762,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.7777,"elapsed_within_tithi_degrees":0.7777},"nakshatra":{"number":13,"name":"Hasta","pada":2,"moon_longitude":164.8762,"elapsed_within_degrees":4.8762},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.9746},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.227,"elongation":23.222},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.227,"opposition_distance":156.778}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1973,"vikram_samvatsara":"Śukla","saka_samvat":1838,"saka_samvatsara":"Nala","bengali_samvat":1323,"malayalam_era":1092,"nanakshahi_year":447,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Caturdaśī · Vikram 1973 Śukla · Śaka 1838 Nala"},"festivals":[{"id":"naraka-chaturdashi","name":"Naraka Caturdaśī (Choṭī Diwālī)","name_sanskrit":"नरक चतुर्दशी","tradition":"Vaishnava","associated_deity":"Krishna (Narakāsura-vadha)","significance":"Krishna slew Narakāsura, freeing 16,000 captive princesses. Day 2 of Diwali.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa","lunar_month":"Kārtika"},"precedence":2,"sources":["Bhāgavata 10.59"]},{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"1916-10-25T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga October 25, 1916 CE · Vidhyamitra","description":"Vedic pañchāṅga for October 25, 1916 CE: Kṛṣṇa Caturdaśī · Hasta.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1916-10-25","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1916-10-25","sa":"https://sa.vidhyamitra.com/day/1916-10-25","hi":"https://hi.vidhyamitra.com/day/1916-10-25","x-default":"https://vidhyamitra.com/day/1916-10-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T12:26:04.127Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-14T12:26:04.127Z","pillar_versions":{"BOB-History":"Pūrṇa"}}}