{"id":"vidhyamitra:city-day:thane:1978-05-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1978-05-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-05-18","date_display":"May 18, 1978 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":1978,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443646.770833,"kali_year":5080,"ahargana":1855181.2708,"sun":{"sidereal_longitude":33.2249,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":156.1427,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":122.9178,"elapsed_within_tithi_degrees":2.9178},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":156.1427,"elapsed_within_degrees":9.476},"yoga":{"number":15,"name":"Vajra","sum_longitude":189.3676},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"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":1978,"month":5,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443646.770833,"ahargana":1855181.2708,"kali_year":5080,"ayanamsa_lahiri":23.5509,"grahas":{"sun":{"sidereal_longitude":33.20948099999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":154.66438100000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":-0.581},"mars":{"sidereal_longitude":112.65668099999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":8.792281000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":72.45358099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":61.90048100000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":120.44068099999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":163.5685,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":343.5685,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":1978,"month":5,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443646.770833,"kali_year":5080,"ahargana":1855181.2708,"sun":{"sidereal_longitude":33.2249,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":156.1427,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":122.9178,"elapsed_within_tithi_degrees":2.9178},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":156.1427,"elapsed_within_degrees":9.476},"yoga":{"number":15,"name":"Vajra","sum_longitude":189.3676},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.581,"elongation":122.918},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.581,"opposition_distance":57.082}},"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":"06:02","sunsetLocal":"19:06","solarNoonLocal":"12:34","dayLengthHours":13.067583023623564,"dayLengthDisplay":"13 Hours 04 Mins 03 Secs","nightLengthDisplay":"10 Hours 55 Mins 57 Secs","moonriseLocal":"14:37","moonsetLocal":"02:44","rahuKala":{"name":"Rāhu Kāla","start":"14:12","end":"15:50","startHours":14.20675484144512,"endHours":15.840202719398066,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:02","end":"07:40","startHours":6.039515451680392,"endHours":7.672963329633338,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:18","end":"10:56","startHours":9.306411207586283,"endHours":10.93985908553923,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:31","startHours":9.088618157192558,"endHours":9.52420425798001,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:35","end":"06:56","startHours":6.583998077664708,"endHours":6.932466958294669,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"13:01","startHours":12.137720862704722,"endHours":13.008893064279626,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:18","end":"05:10","startHours":4.297171048530584,"endHours":5.1683432501054885,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:57","end":"06:02","startHours":4.950550199711762,"endHours":6.039515451680392,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:37","startHours":14.751237467429435,"endHours":15.62240966900434,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:54","end":"19:18","startHours":18.907098475303957,"endHours":19.307098475303956,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:06","end":"19:39","startHours":19.107098475303957,"endHours":19.651581101288272,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:51","end":"20:36","startHours":18.857098475303957,"endHours":20.607098475303957,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"01:01","startHours":24.137720862704718,"endHours":25.008893064279626,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:02","end":"07:40","startHours":6.039515451680392,"endHours":7.672963329633338,"quality":"auspicious"},{"name":"Roga","start":"07:40","end":"09:18","startHours":7.672963329633338,"endHours":9.306411207586283,"quality":"inauspicious"},{"name":"Udveg","start":"09:18","end":"10:56","startHours":9.306411207586283,"endHours":10.93985908553923,"quality":"inauspicious"},{"name":"Chala","start":"10:56","end":"12:34","startHours":10.93985908553923,"endHours":12.573306963492175,"quality":"neutral"},{"name":"Labha","start":"12:34","end":"14:12","startHours":12.573306963492175,"endHours":14.20675484144512,"quality":"auspicious"},{"name":"Amṛta","start":"14:12","end":"15:50","startHours":14.20675484144512,"endHours":15.840202719398066,"quality":"auspicious"},{"name":"Kāla","start":"15:50","end":"17:28","startHours":15.840202719398066,"endHours":17.47365059735101,"quality":"inauspicious"},{"name":"Śubha","start":"17:28","end":"19:06","startHours":17.47365059735101,"endHours":19.107098475303957,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:06","end":"20:28","startHours":19.107098475303957,"endHours":20.47365059735101,"quality":"auspicious"},{"name":"Kāla","start":"20:28","end":"21:50","startHours":20.47365059735101,"endHours":21.840202719398064,"quality":"inauspicious"},{"name":"Śubha","start":"21:50","end":"23:12","startHours":21.840202719398064,"endHours":23.206754841445118,"quality":"auspicious"},{"name":"Roga","start":"23:12","end":"00:34","startHours":23.206754841445118,"endHours":24.573306963492175,"quality":"inauspicious"},{"name":"Udveg","start":"00:34","end":"01:56","startHours":24.573306963492175,"endHours":25.93985908553923,"quality":"inauspicious"},{"name":"Chala","start":"01:56","end":"03:18","startHours":25.93985908553923,"endHours":27.306411207586283,"quality":"neutral"},{"name":"Labha","start":"03:18","end":"04:40","startHours":27.306411207586283,"endHours":28.67296332963334,"quality":"auspicious"},{"name":"Amṛta","start":"04:40","end":"06:02","startHours":28.67296332963334,"endHours":30.039515451680394,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:02","end":"07:02","startHours":6.039515451680392,"endHours":7.039515451680392,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:02","end":"08:02","startHours":7.039515451680392,"endHours":8.039515451680392,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:02","end":"09:02","startHours":8.039515451680392,"endHours":9.039515451680392,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:02","end":"10:02","startHours":9.039515451680392,"endHours":10.039515451680392,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:02","end":"11:02","startHours":10.039515451680392,"endHours":11.039515451680392,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:02","end":"12:02","startHours":11.039515451680392,"endHours":12.039515451680392,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:02","end":"13:02","startHours":12.039515451680392,"endHours":13.039515451680392,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:02","end":"14:02","startHours":13.039515451680392,"endHours":14.039515451680392,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:02","end":"15:02","startHours":14.039515451680392,"endHours":15.039515451680392,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:02","end":"16:02","startHours":15.039515451680392,"endHours":16.039515451680394,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:02","end":"17:02","startHours":16.039515451680394,"endHours":17.039515451680394,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:02","end":"18:02","startHours":17.039515451680394,"endHours":18.039515451680394,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:02","end":"19:02","startHours":18.039515451680394,"endHours":19.039515451680394,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:02","end":"20:02","startHours":19.039515451680394,"endHours":20.039515451680394,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:02","end":"21:02","startHours":20.039515451680394,"endHours":21.039515451680394,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:02","end":"22:02","startHours":21.039515451680394,"endHours":22.039515451680394,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:02","end":"23:02","startHours":22.039515451680394,"endHours":23.039515451680394,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:02","end":"00:02","startHours":23.039515451680394,"endHours":24.039515451680394,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:02","end":"01:02","startHours":24.039515451680394,"endHours":25.039515451680394,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:02","end":"02:02","startHours":25.039515451680394,"endHours":26.039515451680394,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:02","end":"03:02","startHours":26.039515451680394,"endHours":27.039515451680394,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:02","end":"04:02","startHours":27.039515451680394,"endHours":28.039515451680394,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:02","end":"05:02","startHours":28.039515451680394,"endHours":29.039515451680394,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:02","end":"06:02","startHours":29.039515451680394,"endHours":30.039515451680394,"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"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.43016405385581,"eotMinutes":3.6891821904695723,"ayanamsa":23.5509}},"calendars":{"vikram_samvat":2035,"vikram_samvatsara":"Prajāpati","saka_samvat":1900,"saka_samvatsara":"Kālayukta","bengali_samvat":1385,"malayalam_era":1154,"nanakshahi_year":509,"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":"Vṛṣabha (Vaikāsi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Ekādaśī · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"festivals":[{"id":"mohini-ekadashi","name":"Mohinī Ekādaśī","name_sanskrit":"मोहिनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (Mohinī form)","significance":"Mohinī-form of Viṣṇu deceived asuras during samudra-mathana for amṛta.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3,"sources":["Bhāgavata 8.9"]},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"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":[]},"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 18, 1978 CE · Thane, Maharashtra · Vidhyamitra","description":"May 18, 1978 CE for Thane, Maharashtra: Śukla Ekādaśī, sūryodaya 06:02, sūryāsta 19:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1978-05-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1978-05-18","sa":"https://sa.vidhyamitra.com/city/thane/1978-05-18","hi":"https://hi.vidhyamitra.com/city/thane/1978-05-18","x-default":"https://vidhyamitra.com/city/thane/1978-05-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:32:08.866Z","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":"2026-05-31T03:32:08.866Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:32:08.866Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}