{"id":"vidhyamitra:city-day:rishikesh:2091-03-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2091-03-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-03-18","date_display":"March 18, 2091 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":2091,"month":3,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484858.770833,"kali_year":5192,"ahargana":1896393.2708,"sun":{"sidereal_longitude":332.5368,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":309.0477,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.5109,"elapsed_within_tithi_degrees":0.5109},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":309.0477,"elapsed_within_degrees":2.381},"yoga":{"number":22,"name":"Sādhya","sum_longitude":281.5845},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"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":2091,"month":3,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484858.770833,"ahargana":1896393.2708,"kali_year":5192,"ayanamsa_lahiri":25.1271,"grahas":{"sun":{"sidereal_longitude":332.57017900000005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":309.392379,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false,"latitude":0.8509},"mars":{"sidereal_longitude":135.747879,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":337.409679,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":262.416879,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":298.2493790000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":53.37317899999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":139.9584,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":319.9584,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2091,"month":3,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484858.770833,"kali_year":5192,"ahargana":1896393.2708,"sun":{"sidereal_longitude":332.5368,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":309.0477,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.5109,"elapsed_within_tithi_degrees":0.5109},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":309.0477,"elapsed_within_degrees":2.381},"yoga":{"number":22,"name":"Sādhya","sum_longitude":281.5845},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.851,"elongation":23.489},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.851,"opposition_distance":156.511}},"eclipse_window_40days":[{"offset_days":2,"type":"solar","occurs":true,"moon_latitude":-1.141,"elongation":0.03}]},"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":"06:24","sunsetLocal":"18:27","solarNoonLocal":"12:26","dayLengthHours":12.057633086255759,"dayLengthDisplay":"12 Hours 03 Mins 27 Secs","nightLengthDisplay":"11 Hours 56 Mins 33 Secs","moonriseLocal":"05:13","moonsetLocal":"16:33","rahuKala":{"name":"Rāhu Kāla","start":"16:57","end":"18:27","startHours":16.949837308004458,"endHours":18.45704144378643,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:26","end":"13:56","startHours":12.428224900658549,"endHours":13.935429036440521,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:27","end":"16:57","startHours":15.44263317222249,"endHours":16.949837308004458,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:37","startHours":9.212856077657014,"endHours":9.614777180532206,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:13","startHours":6.90180973612466,"endHours":7.223346618424814,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:50","startHours":12.026303797783358,"endHours":12.830146003533743,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:48","end":"05:36","startHours":4.791723946029903,"endHours":5.595566151780286,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:24","end":"06:24","startHours":5.3946056003426905,"endHours":6.39940835753067,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:15","startHours":14.437830415034508,"endHours":15.241672620784891,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:15","end":"18:39","startHours":18.25704144378643,"endHours":18.65704144378643,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:27","end":"18:58","startHours":18.45704144378643,"endHours":18.95944282238042,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:12","end":"19:57","startHours":18.20704144378643,"endHours":19.95704144378643,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:50","startHours":24.026303797783356,"endHours":24.83014600353374,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:24","end":"07:54","startHours":6.39940835753067,"endHours":7.90661249331264,"quality":"inauspicious"},{"name":"Chala","start":"07:54","end":"09:25","startHours":7.90661249331264,"endHours":9.41381662909461,"quality":"neutral"},{"name":"Labha","start":"09:25","end":"10:55","startHours":9.41381662909461,"endHours":10.92102076487658,"quality":"auspicious"},{"name":"Amṛta","start":"10:55","end":"12:26","startHours":10.92102076487658,"endHours":12.428224900658549,"quality":"auspicious"},{"name":"Kāla","start":"12:26","end":"13:56","startHours":12.428224900658549,"endHours":13.935429036440521,"quality":"inauspicious"},{"name":"Śubha","start":"13:56","end":"15:27","startHours":13.935429036440521,"endHours":15.44263317222249,"quality":"auspicious"},{"name":"Roga","start":"15:27","end":"16:57","startHours":15.44263317222249,"endHours":16.949837308004458,"quality":"inauspicious"},{"name":"Udveg","start":"16:57","end":"18:27","startHours":16.949837308004458,"endHours":18.45704144378643,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:27","end":"19:57","startHours":18.45704144378643,"endHours":19.94983730800446,"quality":"auspicious"},{"name":"Roga","start":"19:57","end":"21:27","startHours":19.94983730800446,"endHours":21.44263317222249,"quality":"inauspicious"},{"name":"Udveg","start":"21:27","end":"22:56","startHours":21.44263317222249,"endHours":22.93542903644052,"quality":"inauspicious"},{"name":"Chala","start":"22:56","end":"00:26","startHours":22.93542903644052,"endHours":24.42822490065855,"quality":"neutral"},{"name":"Labha","start":"00:26","end":"01:55","startHours":24.42822490065855,"endHours":25.92102076487658,"quality":"auspicious"},{"name":"Amṛta","start":"01:55","end":"03:25","startHours":25.92102076487658,"endHours":27.41381662909461,"quality":"auspicious"},{"name":"Kāla","start":"03:25","end":"04:54","startHours":27.41381662909461,"endHours":28.906612493312643,"quality":"inauspicious"},{"name":"Śubha","start":"04:54","end":"06:24","startHours":28.906612493312643,"endHours":30.39940835753067,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:24","end":"07:24","startHours":6.39940835753067,"endHours":7.39940835753067,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:24","end":"08:24","startHours":7.39940835753067,"endHours":8.399408357530671,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:24","end":"09:24","startHours":8.399408357530671,"endHours":9.399408357530671,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:24","end":"10:24","startHours":9.399408357530671,"endHours":10.399408357530671,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:24","end":"11:24","startHours":10.399408357530671,"endHours":11.399408357530671,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:24","end":"12:24","startHours":11.399408357530671,"endHours":12.399408357530671,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:24","end":"13:24","startHours":12.399408357530671,"endHours":13.399408357530671,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:24","end":"14:24","startHours":13.399408357530671,"endHours":14.399408357530671,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:24","end":"15:24","startHours":14.399408357530671,"endHours":15.399408357530671,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:24","end":"16:24","startHours":15.399408357530671,"endHours":16.39940835753067,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:24","end":"17:24","startHours":16.39940835753067,"endHours":17.39940835753067,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:24","end":"18:24","startHours":17.39940835753067,"endHours":18.39940835753067,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:24","end":"19:24","startHours":18.39940835753067,"endHours":19.39940835753067,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:24","end":"20:24","startHours":19.39940835753067,"endHours":20.39940835753067,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:24","end":"21:24","startHours":20.39940835753067,"endHours":21.39940835753067,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:24","end":"22:24","startHours":21.39940835753067,"endHours":22.39940835753067,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:24","end":"23:24","startHours":22.39940835753067,"endHours":23.39940835753067,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:24","end":"00:24","startHours":23.39940835753067,"endHours":24.39940835753067,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:24","end":"01:24","startHours":24.39940835753067,"endHours":25.39940835753067,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:24","end":"02:24","startHours":25.39940835753067,"endHours":26.39940835753067,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:24","end":"03:24","startHours":26.39940835753067,"endHours":27.39940835753067,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:24","end":"04:24","startHours":27.39940835753067,"endHours":28.39940835753067,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:24","end":"05:24","startHours":28.39940835753067,"endHours":29.39940835753067,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:24","end":"06:24","startHours":29.39940835753067,"endHours":30.39940835753067,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"drikRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-0.9156593291883092,"eotMinutes":-8.763894039513033,"ayanamsa":25.1271}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Caturdaśī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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,"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 March 18, 2091 CE · Ṛṣikeśa · Vidhyamitra","description":"March 18, 2091 CE for Ṛṣikeśa: Kṛṣṇa Caturdaśī, sūryodaya 06:24, sūryāsta 18:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2091-03-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2091-03-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/2091-03-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/2091-03-18","x-default":"https://vidhyamitra.com/city/rishikesh/2091-03-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T03:14:17.318Z","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":"2026-05-20T03:14:17.318Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T03:14:17.318Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}