{"id":"vidhyamitra:day:2321-03-18:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/2321-03-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2321-03-18","date_display":"March 18, 2321 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":2321,"month":3,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2568863.770833,"kali_year":5422,"ahargana":1980398.2708,"sun":{"sidereal_longitude":328.0342,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":185.9076,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":217.8734,"elapsed_within_tithi_degrees":1.8734},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.9076,"elapsed_within_degrees":12.5743},"yoga":{"number":12,"name":"Dhruva","sum_longitude":153.9418},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2321,"month":3,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2568863.770833,"ahargana":1980398.2708,"kali_year":5422,"ayanamsa_lahiri":28.34,"grahas":{"sun":{"sidereal_longitude":328.606271,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":189.62457100000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false,"latitude":0.2401},"mars":{"sidereal_longitude":269.3880710000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":338.852671,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":28.269070999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":277.760271,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":340.224071,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":8.9693,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":188.9693,"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":2321,"month":3,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2568863.770833,"kali_year":5422,"ahargana":1980398.2708,"sun":{"sidereal_longitude":328.0342,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":185.9076,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":217.8734,"elapsed_within_tithi_degrees":1.8734},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.9076,"elapsed_within_degrees":12.5743},"yoga":{"number":12,"name":"Dhruva","sum_longitude":153.9418},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.24,"elongation":142.127},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.24,"opposition_distance":37.873}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2378,"vikram_samvatsara":"Ānanda","saka_samvat":2243,"saka_samvatsara":"Plava","bengali_samvat":1728,"malayalam_era":1497,"nanakshahi_year":852,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa 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 Kṛṣṇa Caturthī · Vikram 2378 Ānanda · Śaka 2243 Plava"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"2321-03-18T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga March 18, 2321 CE · Vidhyamitra","description":"Vedic pañchāṅga for March 18, 2321 CE: Kṛṣṇa Caturthī · Citrā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/2321-03-18","hreflang_alternates":{"en":"https://vidhyamitra.com/day/2321-03-18","sa":"https://sa.vidhyamitra.com/day/2321-03-18","hi":"https://hi.vidhyamitra.com/day/2321-03-18","x-default":"https://vidhyamitra.com/day/2321-03-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T22:52:20.462Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-03T22:52:20.462Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}