{"id":"vidhyamitra:city-day:thane:2001-05-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2001-05-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-05-31","date_display":"May 31, 2001 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":2001,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452060.770833,"kali_year":5103,"ahargana":1863595.2708,"sun":{"sidereal_longitude":45.678,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":149.793,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":104.115,"elapsed_within_tithi_degrees":8.115},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.793,"elapsed_within_degrees":3.1263},"yoga":{"number":15,"name":"Vajra","sum_longitude":195.4711},"karana":{"half_tithi_index":17,"name":"Kaulava"},"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":2001,"month":5,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452060.770833,"ahargana":1863595.2708,"kali_year":5103,"ayanamsa_lahiri":23.8727,"grahas":{"sun":{"sidereal_longitude":45.80110400000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":150.49510399999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":4.2803},"mars":{"sidereal_longitude":242.75300400000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":65.58030400000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":56.248703999999975,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":0.221903999999995,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":41.15470399999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":77.7543,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":257.7543,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2001,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452060.770833,"kali_year":5103,"ahargana":1863595.2708,"sun":{"sidereal_longitude":45.678,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":149.793,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":104.115,"elapsed_within_tithi_degrees":8.115},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.793,"elapsed_within_degrees":3.1263},"yoga":{"number":15,"name":"Vajra","sum_longitude":195.4711},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.28,"elongation":104.115},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.28,"opposition_distance":75.885}},"eclipse_window_40days":[]},"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"06:00","sunsetLocal":"19:12","solarNoonLocal":"12:36","dayLengthHours":13.202193539854186,"dayLengthDisplay":"13 Hours 12 Mins 08 Secs","nightLengthDisplay":"10 Hours 47 Mins 52 Secs","moonriseLocal":"13:29","moonsetLocal":"01:40","rahuKala":{"name":"Rāhu Kāla","start":"14:15","end":"15:54","startHours":14.243408079846112,"endHours":15.893682272327885,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:00","end":"07:39","startHours":5.9920371174372455,"endHours":7.642311309919019,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:18","end":"10:57","startHours":9.292585502400792,"endHours":10.942859694882564,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:04","end":"09:31","startHours":9.072548943403223,"endHours":9.512622061398362,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:33","end":"06:54","startHours":6.54212851493117,"endHours":6.894187009327282,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"13:02","startHours":12.1530607693692,"endHours":13.033207005359477,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:14","end":"05:07","startHours":4.231744645456687,"endHours":5.111890881446967,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:54","end":"06:00","startHours":4.891854322449396,"endHours":5.9920371174372455,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:48","end":"15:40","startHours":14.793499477340037,"endHours":15.673645713330316,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:00","end":"19:24","startHours":18.994230657291432,"endHours":19.39423065729143,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:12","end":"19:45","startHours":19.19423065729143,"endHours":19.744322054785357,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:57","end":"20:42","startHours":18.94423065729143,"endHours":20.69423065729143,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"01:02","startHours":24.153060769369198,"endHours":25.03320700535948,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:00","end":"07:39","startHours":5.9920371174372455,"endHours":7.642311309919019,"quality":"auspicious"},{"name":"Roga","start":"07:39","end":"09:18","startHours":7.642311309919019,"endHours":9.292585502400792,"quality":"inauspicious"},{"name":"Udveg","start":"09:18","end":"10:57","startHours":9.292585502400792,"endHours":10.942859694882564,"quality":"inauspicious"},{"name":"Chala","start":"10:57","end":"12:36","startHours":10.942859694882564,"endHours":12.593133887364338,"quality":"neutral"},{"name":"Labha","start":"12:36","end":"14:15","startHours":12.593133887364338,"endHours":14.243408079846112,"quality":"auspicious"},{"name":"Amṛta","start":"14:15","end":"15:54","startHours":14.243408079846112,"endHours":15.893682272327885,"quality":"auspicious"},{"name":"Kāla","start":"15:54","end":"17:33","startHours":15.893682272327885,"endHours":17.543956464809657,"quality":"inauspicious"},{"name":"Śubha","start":"17:33","end":"19:12","startHours":17.543956464809657,"endHours":19.19423065729143,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:12","end":"20:33","startHours":19.19423065729143,"endHours":20.543956464809657,"quality":"auspicious"},{"name":"Kāla","start":"20:33","end":"21:54","startHours":20.543956464809657,"endHours":21.893682272327887,"quality":"inauspicious"},{"name":"Śubha","start":"21:54","end":"23:15","startHours":21.893682272327887,"endHours":23.243408079846112,"quality":"auspicious"},{"name":"Roga","start":"23:15","end":"00:36","startHours":23.243408079846112,"endHours":24.59313388736434,"quality":"inauspicious"},{"name":"Udveg","start":"00:36","end":"01:57","startHours":24.59313388736434,"endHours":25.942859694882564,"quality":"inauspicious"},{"name":"Chala","start":"01:57","end":"03:18","startHours":25.942859694882564,"endHours":27.29258550240079,"quality":"neutral"},{"name":"Labha","start":"03:18","end":"04:39","startHours":27.29258550240079,"endHours":28.64231130991902,"quality":"auspicious"},{"name":"Amṛta","start":"04:39","end":"06:00","startHours":28.64231130991902,"endHours":29.992037117437246,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:00","end":"07:00","startHours":5.9920371174372455,"endHours":6.9920371174372455,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:00","end":"08:00","startHours":6.9920371174372455,"endHours":7.9920371174372455,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:00","end":"09:00","startHours":7.9920371174372455,"endHours":8.992037117437246,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:00","end":"10:00","startHours":8.992037117437246,"endHours":9.992037117437246,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:00","end":"11:00","startHours":9.992037117437246,"endHours":10.992037117437246,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:00","end":"12:00","startHours":10.992037117437246,"endHours":11.992037117437246,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:00","end":"13:00","startHours":11.992037117437246,"endHours":12.992037117437246,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:00","end":"14:00","startHours":12.992037117437246,"endHours":13.992037117437246,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:00","end":"15:00","startHours":13.992037117437246,"endHours":14.992037117437246,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:00","end":"16:00","startHours":14.992037117437246,"endHours":15.992037117437246,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:00","end":"17:00","startHours":15.992037117437246,"endHours":16.992037117437246,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:00","end":"18:00","startHours":16.992037117437246,"endHours":17.992037117437246,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:00","end":"19:00","startHours":17.992037117437246,"endHours":18.992037117437246,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:00","end":"20:00","startHours":18.992037117437246,"endHours":19.992037117437246,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:00","end":"21:00","startHours":19.992037117437246,"endHours":20.992037117437246,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:00","end":"22:00","startHours":20.992037117437246,"endHours":21.992037117437246,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:00","end":"23:00","startHours":21.992037117437246,"endHours":22.992037117437246,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:00","end":"00:00","startHours":22.992037117437246,"endHours":23.992037117437246,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:00","end":"01:00","startHours":23.992037117437246,"endHours":24.992037117437246,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:00","end":"02:00","startHours":24.992037117437246,"endHours":25.992037117437246,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:00","end":"03:00","startHours":25.992037117437246,"endHours":26.992037117437246,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:00","end":"04:00","startHours":26.992037117437246,"endHours":27.992037117437246,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:00","end":"05:00","startHours":27.992037117437246,"endHours":28.992037117437246,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:00","end":"06:00","startHours":28.992037117437246,"endHours":29.992037117437246,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.89863923207647,"eotMinutes":2.4995667581397525,"ayanamsa":23.8727}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Navamī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"thane"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 31, 2001 CE · Thane, Maharashtra · Vidhyamitra","description":"May 31, 2001 CE for Thane, Maharashtra: Śukla Navamī, sūryodaya 06:00, sūryāsta 19:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2001-05-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2001-05-31","sa":"https://sa.vidhyamitra.com/city/thane/2001-05-31","hi":"https://hi.vidhyamitra.com/city/thane/2001-05-31","x-default":"https://vidhyamitra.com/city/thane/2001-05-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T06:59:48.438Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-17T06:59:48.438Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T06:59:48.438Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}