{"id":"vidhyamitra:city-day:rishikesh:2088-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2088-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2088-04-13","date_display":"April 13, 2088 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":2088,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483789.770833,"kali_year":5189,"ahargana":1895324.2708,"sun":{"sidereal_longitude":358.9513,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":259.2024,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":260.2512,"elapsed_within_tithi_degrees":8.2512},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":259.2024,"elapsed_within_degrees":5.8691},"yoga":{"number":20,"name":"Śiva","sum_longitude":258.1537},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2088,"month":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2483789.770833,"ahargana":1895324.2708,"kali_year":5189,"ayanamsa_lahiri":25.0862,"grahas":{"sun":{"sidereal_longitude":359.019223,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":256.28862300000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":3.9944},"mars":{"sidereal_longitude":327.92702299999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":12.453422999999987,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":166.88492300000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"venus":{"sidereal_longitude":348.813923,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":18.248722999999984,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":196.5992,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":16.5992,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"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":2088,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2483789.770833,"kali_year":5189,"ahargana":1895324.2708,"sun":{"sidereal_longitude":358.9513,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":259.2024,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":260.2512,"elapsed_within_tithi_degrees":8.2512},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":259.2024,"elapsed_within_degrees":5.8691},"yoga":{"number":20,"name":"Śiva","sum_longitude":258.1537},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.994,"elongation":99.749},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.994,"opposition_distance":80.251}},"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":"05:52","sunsetLocal":"18:44","solarNoonLocal":"12:18","dayLengthHours":12.86055859059232,"dayLengthDisplay":"12 Hours 51 Mins 38 Secs","nightLengthDisplay":"11 Hours 08 Mins 22 Secs","moonriseLocal":"00:21","moonsetLocal":"10:33","rahuKala":{"name":"Rāhu Kāla","start":"15:31","end":"17:07","startHours":15.510129828143153,"endHours":17.117699651967193,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:05","end":"10:41","startHours":9.079850532846994,"endHours":10.687420356671034,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:18","end":"13:54","startHours":12.294990180495073,"endHours":13.902560004319113,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:18","startHours":8.865507889670454,"endHours":9.294193176023532,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:24","end":"06:45","startHours":6.400567493140261,"endHours":6.743515722222723,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:43","startHours":11.866304894141996,"endHours":12.723675466848151,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:09","end":"05:00","startHours":4.149969739786605,"endHours":5.007340312492759,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:52","startHours":4.792997669316221,"endHours":5.864710885198914,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:18","startHours":14.43841661226046,"endHours":15.295787184966613,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:32","end":"18:56","startHours":18.525269475791234,"endHours":18.925269475791232,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:44","end":"19:16","startHours":18.725269475791233,"endHours":19.26112608373258,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:29","end":"20:14","startHours":18.475269475791233,"endHours":20.225269475791233,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:43","startHours":23.866304894141997,"endHours":24.72367546684815,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:52","end":"07:28","startHours":5.864710885198914,"endHours":7.472280709022954,"quality":"inauspicious"},{"name":"Udveg","start":"07:28","end":"09:05","startHours":7.472280709022954,"endHours":9.079850532846994,"quality":"inauspicious"},{"name":"Chala","start":"09:05","end":"10:41","startHours":9.079850532846994,"endHours":10.687420356671034,"quality":"neutral"},{"name":"Labha","start":"10:41","end":"12:18","startHours":10.687420356671034,"endHours":12.294990180495073,"quality":"auspicious"},{"name":"Amṛta","start":"12:18","end":"13:54","startHours":12.294990180495073,"endHours":13.902560004319113,"quality":"auspicious"},{"name":"Kāla","start":"13:54","end":"15:31","startHours":13.902560004319113,"endHours":15.510129828143153,"quality":"inauspicious"},{"name":"Śubha","start":"15:31","end":"17:07","startHours":15.510129828143153,"endHours":17.117699651967193,"quality":"auspicious"},{"name":"Roga","start":"17:07","end":"18:44","startHours":17.117699651967193,"endHours":18.725269475791233,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:44","end":"20:07","startHours":18.725269475791233,"endHours":20.117699651967193,"quality":"inauspicious"},{"name":"Śubha","start":"20:07","end":"21:31","startHours":20.117699651967193,"endHours":21.510129828143153,"quality":"auspicious"},{"name":"Roga","start":"21:31","end":"22:54","startHours":21.510129828143153,"endHours":22.902560004319113,"quality":"inauspicious"},{"name":"Udveg","start":"22:54","end":"00:18","startHours":22.902560004319113,"endHours":24.294990180495073,"quality":"inauspicious"},{"name":"Chala","start":"00:18","end":"01:41","startHours":24.294990180495073,"endHours":25.687420356671034,"quality":"neutral"},{"name":"Labha","start":"01:41","end":"03:05","startHours":25.687420356671034,"endHours":27.079850532846994,"quality":"auspicious"},{"name":"Amṛta","start":"03:05","end":"04:28","startHours":27.079850532846994,"endHours":28.472280709022954,"quality":"auspicious"},{"name":"Kāla","start":"04:28","end":"05:52","startHours":28.472280709022954,"endHours":29.864710885198914,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:52","end":"06:52","startHours":5.864710885198914,"endHours":6.864710885198914,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:52","end":"07:52","startHours":6.864710885198914,"endHours":7.864710885198914,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:52","end":"08:52","startHours":7.864710885198914,"endHours":8.864710885198914,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:52","end":"09:52","startHours":8.864710885198914,"endHours":9.864710885198914,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:52","end":"10:52","startHours":9.864710885198914,"endHours":10.864710885198914,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:52","end":"11:52","startHours":10.864710885198914,"endHours":11.864710885198914,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:52","end":"12:52","startHours":11.864710885198914,"endHours":12.864710885198914,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:52","end":"13:52","startHours":12.864710885198914,"endHours":13.864710885198914,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:52","end":"14:52","startHours":13.864710885198914,"endHours":14.864710885198914,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:52","end":"15:52","startHours":14.864710885198914,"endHours":15.864710885198914,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:52","end":"16:52","startHours":15.864710885198914,"endHours":16.864710885198914,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:52","end":"17:52","startHours":16.864710885198914,"endHours":17.864710885198914,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:52","end":"18:52","startHours":17.864710885198914,"endHours":18.864710885198914,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:52","end":"19:52","startHours":18.864710885198914,"endHours":19.864710885198914,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:52","end":"20:52","startHours":19.864710885198914,"endHours":20.864710885198914,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:52","end":"21:52","startHours":20.864710885198914,"endHours":21.864710885198914,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:52","end":"22:52","startHours":21.864710885198914,"endHours":22.864710885198914,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:52","end":"23:52","startHours":22.864710885198914,"endHours":23.864710885198914,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:52","end":"00:52","startHours":23.864710885198914,"endHours":24.864710885198914,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:52","end":"01:52","startHours":24.864710885198914,"endHours":25.864710885198914,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:52","end":"02:52","startHours":25.864710885198914,"endHours":26.864710885198914,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:52","end":"03:52","startHours":26.864710885198914,"endHours":27.864710885198914,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:52","end":"04:52","startHours":27.864710885198914,"endHours":28.864710885198914,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:52","end":"05:52","startHours":28.864710885198914,"endHours":29.864710885198914,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":9.348588296062939,"eotMinutes":-0.7698108297043191,"ayanamsa":25.0862}},"calendars":{"vikram_samvat":2145,"vikram_samvatsara":"Durmati","saka_samvat":2010,"saka_samvatsara":"Kīlaka","bengali_samvat":1495,"malayalam_era":1264,"nanakshahi_year":619,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Saptamī · Vikram 2145 Durmati · Śaka 2010 Kīlaka"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 April 13, 2088 CE · Ṛṣikeśa · Vidhyamitra","description":"April 13, 2088 CE for Ṛṣikeśa: Kṛṣṇa Saptamī, sūryodaya 05:52, sūryāsta 18:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2088-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2088-04-13","sa":"https://sa.vidhyamitra.com/city/rishikesh/2088-04-13","hi":"https://hi.vidhyamitra.com/city/rishikesh/2088-04-13","x-default":"https://vidhyamitra.com/city/rishikesh/2088-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T12:43:56.783Z","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":"2026-06-01T12:43:56.783Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T12:43:56.783Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}