{"id":"vidhyamitra:city-day:rishikesh:2143-04-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2143-04-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2143-04-18","date_display":"April 18, 2143 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":2143,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2503881.770833,"kali_year":5244,"ahargana":1915416.2708,"sun":{"sidereal_longitude":1.6541,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":34.8527,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":33.1986,"elapsed_within_tithi_degrees":9.1986},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":34.8527,"elapsed_within_degrees":8.1861},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":36.5068},"karana":{"half_tithi_index":5,"name":"Gara"},"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":2143,"month":4,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2503881.770833,"ahargana":1915416.2708,"kali_year":5244,"ayanamsa_lahiri":25.8547,"grahas":{"sun":{"sidereal_longitude":1.8606609999999932,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":33.753360999999984,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":-0.2215},"mars":{"sidereal_longitude":28.130061000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":337.457761,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":35.246261000000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":44.91236100000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":333.174761,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":212.0283,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":32.0283,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2143,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2503881.770833,"kali_year":5244,"ahargana":1915416.2708,"sun":{"sidereal_longitude":1.6541,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":34.8527,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":33.1986,"elapsed_within_tithi_degrees":9.1986},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":34.8527,"elapsed_within_degrees":8.1861},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":36.5068},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.222,"elongation":33.199},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.222,"opposition_distance":146.801}},"eclipse_window_40days":[]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"05:47","sunsetLocal":"18:45","solarNoonLocal":"12:16","dayLengthHours":12.966288587165103,"dayLengthDisplay":"12 Hours 57 Mins 59 Secs","nightLengthDisplay":"11 Hours 02 Mins 01 Secs","moonriseLocal":"07:32","moonsetLocal":"21:16","rahuKala":{"name":"Rāhu Kāla","start":"13:54","end":"15:31","startHours":13.894514691797582,"endHours":15.51530076519322,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:47","end":"07:25","startHours":5.790584324819393,"endHours":7.4113703982150305,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:02","end":"10:39","startHours":9.03215647161067,"endHours":10.652942545006306,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:15","startHours":8.816051661824584,"endHours":9.248261281396754,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:20","end":"06:41","startHours":6.330846349284605,"endHours":6.676614044942341,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:42","startHours":11.841518998829773,"endHours":12.705938237974113,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:04","end":"04:56","startHours":4.061745846530712,"endHours":4.926165085675052,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:43","end":"05:47","startHours":4.710060275888967,"endHours":5.790584324819393,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:18","startHours":14.434776716262792,"endHours":15.299195955407132,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:33","end":"18:57","startHours":18.556872911984495,"endHours":18.956872911984494,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:45","end":"19:18","startHours":18.756872911984495,"endHours":19.29713493644971,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:30","end":"20:15","startHours":18.506872911984495,"endHours":20.256872911984495,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:42","startHours":23.841518998829773,"endHours":24.705938237974113,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:47","end":"07:25","startHours":5.790584324819393,"endHours":7.4113703982150305,"quality":"auspicious"},{"name":"Roga","start":"07:25","end":"09:02","startHours":7.4113703982150305,"endHours":9.03215647161067,"quality":"inauspicious"},{"name":"Udveg","start":"09:02","end":"10:39","startHours":9.03215647161067,"endHours":10.652942545006306,"quality":"inauspicious"},{"name":"Chala","start":"10:39","end":"12:16","startHours":10.652942545006306,"endHours":12.273728618401943,"quality":"neutral"},{"name":"Labha","start":"12:16","end":"13:54","startHours":12.273728618401943,"endHours":13.894514691797582,"quality":"auspicious"},{"name":"Amṛta","start":"13:54","end":"15:31","startHours":13.894514691797582,"endHours":15.51530076519322,"quality":"auspicious"},{"name":"Kāla","start":"15:31","end":"17:08","startHours":15.51530076519322,"endHours":17.136086838588856,"quality":"inauspicious"},{"name":"Śubha","start":"17:08","end":"18:45","startHours":17.136086838588856,"endHours":18.756872911984495,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:45","end":"20:08","startHours":18.756872911984495,"endHours":20.136086838588856,"quality":"auspicious"},{"name":"Kāla","start":"20:08","end":"21:31","startHours":20.136086838588856,"endHours":21.515300765193217,"quality":"inauspicious"},{"name":"Śubha","start":"21:31","end":"22:54","startHours":21.515300765193217,"endHours":22.894514691797582,"quality":"auspicious"},{"name":"Roga","start":"22:54","end":"00:16","startHours":22.894514691797582,"endHours":24.273728618401943,"quality":"inauspicious"},{"name":"Udveg","start":"00:16","end":"01:39","startHours":24.273728618401943,"endHours":25.652942545006304,"quality":"inauspicious"},{"name":"Chala","start":"01:39","end":"03:02","startHours":25.652942545006304,"endHours":27.03215647161067,"quality":"neutral"},{"name":"Labha","start":"03:02","end":"04:25","startHours":27.03215647161067,"endHours":28.41137039821503,"quality":"auspicious"},{"name":"Amṛta","start":"04:25","end":"05:47","startHours":28.41137039821503,"endHours":29.790584324819392,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.790584324819393,"endHours":6.790584324819393,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.790584324819393,"endHours":7.790584324819393,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.790584324819393,"endHours":8.790584324819392,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.790584324819392,"endHours":9.790584324819392,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.790584324819392,"endHours":10.790584324819392,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.790584324819392,"endHours":11.790584324819392,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.790584324819392,"endHours":12.790584324819392,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.790584324819392,"endHours":13.790584324819392,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.790584324819392,"endHours":14.790584324819392,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.790584324819392,"endHours":15.790584324819392,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.790584324819392,"endHours":16.790584324819392,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.790584324819392,"endHours":17.790584324819392,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.790584324819392,"endHours":18.790584324819392,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.790584324819392,"endHours":19.790584324819392,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.790584324819392,"endHours":20.790584324819392,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.790584324819392,"endHours":21.790584324819392,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.790584324819392,"endHours":22.790584324819392,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.790584324819392,"endHours":23.790584324819392,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.790584324819392,"endHours":24.790584324819392,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.790584324819392,"endHours":25.790584324819392,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.790584324819392,"endHours":26.790584324819392,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.790584324819392,"endHours":27.790584324819392,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.790584324819392,"endHours":28.790584324819392,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.790584324819392,"endHours":29.790584324819392,"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":10.65980168999303,"eotMinutes":0.5058828958834352,"ayanamsa":25.8547}},"calendars":{"vikram_samvat":2200,"vikram_samvatsara":"Nala","saka_samvat":2065,"saka_samvatsara":"Śobhana","bengali_samvat":1550,"malayalam_era":1319,"nanakshahi_year":674,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","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":"Caitra Śukla Tṛtīyā · Vikram 2200 Nala · Śaka 2065 Śobhana"},"festivals":[{"id":"matsya-jayanti","name":"Matsya Jayantī","name_sanskrit":"मत्स्य जयन्ती","tradition":"Vaishnava","associated_deity":"Matsya (1st daśāvatāra of Krishna)","deity_avatara_index":10,"significance":"Matsya saved Vaivasvata Manu and the Vedas during the cosmic deluge.","vrata":false,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":4,"sources":["Bhāgavata 8.24","Matsya Purāṇa 1-2"]}],"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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 18, 2143 CE · Ṛṣikeśa · Vidhyamitra","description":"April 18, 2143 CE for Ṛṣikeśa: Śukla Tṛtīyā, sūryodaya 05:47, sūryāsta 18:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2143-04-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2143-04-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/2143-04-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/2143-04-18","x-default":"https://vidhyamitra.com/city/rishikesh/2143-04-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:00:26.823Z","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":"2026-05-31T02:00:26.823Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:00:26.823Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}