{"id":"vidhyamitra:day:1658-05-06:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1658-05-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1658-05-06","date_display":"May 6, 1658 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":1658,"month":5,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2326757.770833,"kali_year":4760,"ahargana":1738292.2708,"sun":{"sidereal_longitude":27.2845,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":69.3341,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.0496,"elapsed_within_tithi_degrees":6.0496},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.3341,"elapsed_within_degrees":2.6675},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":96.6187},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1658,"month":5,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2326757.770833,"ahargana":1738292.2708,"kali_year":4760,"ayanamsa_lahiri":19.0804,"grahas":{"sun":{"sidereal_longitude":26.482199999999978,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":65.35300000000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":-0.9672},"mars":{"sidereal_longitude":80.94979999999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":31.164300000000026,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":82.44580000000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":33.398900000000026,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":178.20299999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":236.9102,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":56.9102,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2},"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":1658,"month":5,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2326757.770833,"kali_year":4760,"ahargana":1738292.2708,"sun":{"sidereal_longitude":27.2845,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":69.3341,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.0496,"elapsed_within_tithi_degrees":6.0496},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.3341,"elapsed_within_degrees":2.6675},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":96.6187},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.967,"elongation":42.05},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.967,"opposition_distance":137.95}},"eclipse_window_40days":[{"offset_days":11,"type":"lunar","occurs":true,"moon_latitude":-1.471,"opposition_distance":0.582}]},"calendars":{"vikram_samvat":1715,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1580,"saka_samvatsara":"Vilambī","bengali_samvat":1065,"malayalam_era":834,"nanakshahi_year":189,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla 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 Śukla Caturthī · Vikram 1715 Virodhakṛt · Śaka 1580 Vilambī"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"1658-05-06T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga May 6, 1658 CE · Vidhyamitra","description":"Vedic pañchāṅga for May 6, 1658 CE: Śukla Caturthī · Ārdrā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1658-05-06","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1658-05-06","sa":"https://sa.vidhyamitra.com/day/1658-05-06","hi":"https://hi.vidhyamitra.com/day/1658-05-06","x-default":"https://vidhyamitra.com/day/1658-05-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T09:55:03.370Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-05T09:55:03.370Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}