{"id":"vidhyamitra:day:2319-05-18:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/2319-05-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2319-05-18","date_display":"May 18, 2319 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":2319,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2568193.770833,"kali_year":5421,"ahargana":1979728.2708,"sun":{"sidereal_longitude":27.248,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":350.5164,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":323.2684,"elapsed_within_tithi_degrees":11.2684},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":350.5164,"elapsed_within_degrees":3.8498},"yoga":{"number":2,"name":"Prīti","sum_longitude":17.7644},"karana":{"half_tithi_index":53,"name":"Taitila"},"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":2319,"month":5,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2568193.770833,"ahargana":1979728.2708,"kali_year":5421,"ayanamsa_lahiri":28.3144,"grahas":{"sun":{"sidereal_longitude":28.000170000000026,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":351.34477,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":-3.6371},"mars":{"sidereal_longitude":289.53367000000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":4.612169999999992,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":344.91147,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":30.833770000000015,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":324.66997000000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":44.4691,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":224.4691,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"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":2319,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2568193.770833,"kali_year":5421,"ahargana":1979728.2708,"sun":{"sidereal_longitude":27.248,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":350.5164,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":323.2684,"elapsed_within_tithi_degrees":11.2684},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":350.5164,"elapsed_within_degrees":3.8498},"yoga":{"number":2,"name":"Prīti","sum_longitude":17.7644},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.637,"elongation":36.732},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.637,"opposition_distance":143.268}},"eclipse_window_40days":[{"offset_days":3,"type":"solar","occurs":true,"moon_latitude":-1.063,"elongation":0.509},{"offset_days":17,"type":"lunar","occurs":true,"moon_latitude":-0.212,"opposition_distance":2.764}]},"calendars":{"vikram_samvat":2376,"vikram_samvatsara":"Paridhāvi","saka_samvat":2241,"saka_samvatsara":"Vikāri","bengali_samvat":1726,"malayalam_era":1495,"nanakshahi_year":850,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Dvādaśī · Vikram 2376 Paridhāvi · Śaka 2241 Vikāri"},"festivals":[],"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":[]},"validity":{"eternal":false,"valid_from":"2319-05-18T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga May 18, 2319 CE · Vidhyamitra","description":"Vedic pañchāṅga for May 18, 2319 CE: Kṛṣṇa Dvādaśī · Revatī.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/2319-05-18","hreflang_alternates":{"en":"https://vidhyamitra.com/day/2319-05-18","sa":"https://sa.vidhyamitra.com/day/2319-05-18","hi":"https://hi.vidhyamitra.com/day/2319-05-18","x-default":"https://vidhyamitra.com/day/2319-05-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T14:37:54.757Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-03T14:37:54.757Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}