{"id":"vidhyamitra:city-day:rishikesh:2027-05-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2027-05-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-05-09","date_display":"May 9, 2027 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":2027,"month":5,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461534.770833,"kali_year":5129,"ahargana":1873069.2708,"sun":{"sidereal_longitude":23.9398,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":56.4892,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":32.5494,"elapsed_within_tithi_degrees":8.5494},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":56.4892,"elapsed_within_degrees":3.1559},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.429},"karana":{"half_tithi_index":5,"name":"Gara"},"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":2027,"month":5,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461534.770833,"ahargana":1873069.2708,"kali_year":5129,"ayanamsa_lahiri":24.2351,"grahas":{"sun":{"sidereal_longitude":23.982928000000015,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":58.49762799999996,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false,"latitude":3.8678},"mars":{"sidereal_longitude":123.42052799999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":35.271127999999976,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":113.55602799999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":358.321728,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":357.345328,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":295.7762,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":115.7762,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"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":2027,"month":5,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461534.770833,"kali_year":5129,"ahargana":1873069.2708,"sun":{"sidereal_longitude":23.9398,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":56.4892,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":32.5494,"elapsed_within_tithi_degrees":8.5494},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":56.4892,"elapsed_within_degrees":3.1559},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.429},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.868,"elongation":32.549},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.868,"opposition_distance":147.451}},"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":"05:28","sunsetLocal":"18:59","solarNoonLocal":"12:13","dayLengthHours":13.518943474562885,"dayLengthDisplay":"13 Hours 31 Mins 08 Secs","nightLengthDisplay":"10 Hours 28 Mins 52 Secs","moonriseLocal":"07:31","moonsetLocal":"21:32","rahuKala":{"name":"Rāhu Kāla","start":"17:17","end":"18:59","startHours":17.29123949522198,"endHours":18.98110742954234,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:13","end":"13:55","startHours":12.221635692260898,"endHours":13.91150362658126,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:36","end":"17:17","startHours":15.601371560901619,"endHours":17.29123949522198,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:04","startHours":8.616584099044129,"endHours":9.067215548196225,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:02","end":"06:23","startHours":6.025453266419576,"endHours":6.3859584257412525,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:40","startHours":11.771004243108802,"endHours":12.672267141412995,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:40","end":"04:34","startHours":3.659638158371071,"endHours":4.560901056675263,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:20","end":"05:28","startHours":4.335585332099216,"endHours":5.462163954979456,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:23","startHours":14.47479293802138,"endHours":15.376055836325573,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:47","end":"19:11","startHours":18.78110742954234,"endHours":19.18110742954234,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:59","end":"19:33","startHours":18.98110742954234,"endHours":19.54439674098246,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:44","end":"20:29","startHours":18.73110742954234,"endHours":20.48110742954234,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:40","startHours":23.771004243108802,"endHours":24.67226714141299,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:28","end":"07:09","startHours":5.462163954979456,"endHours":7.152031889299817,"quality":"inauspicious"},{"name":"Chala","start":"07:09","end":"08:51","startHours":7.152031889299817,"endHours":8.841899823620178,"quality":"neutral"},{"name":"Labha","start":"08:51","end":"10:32","startHours":8.841899823620178,"endHours":10.531767757940537,"quality":"auspicious"},{"name":"Amṛta","start":"10:32","end":"12:13","startHours":10.531767757940537,"endHours":12.221635692260898,"quality":"auspicious"},{"name":"Kāla","start":"12:13","end":"13:55","startHours":12.221635692260898,"endHours":13.91150362658126,"quality":"inauspicious"},{"name":"Śubha","start":"13:55","end":"15:36","startHours":13.91150362658126,"endHours":15.601371560901619,"quality":"auspicious"},{"name":"Roga","start":"15:36","end":"17:17","startHours":15.601371560901619,"endHours":17.29123949522198,"quality":"inauspicious"},{"name":"Udveg","start":"17:17","end":"18:59","startHours":17.29123949522198,"endHours":18.98110742954234,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:59","end":"20:17","startHours":18.98110742954234,"endHours":20.29123949522198,"quality":"auspicious"},{"name":"Roga","start":"20:17","end":"21:36","startHours":20.29123949522198,"endHours":21.60137156090162,"quality":"inauspicious"},{"name":"Udveg","start":"21:36","end":"22:55","startHours":21.60137156090162,"endHours":22.911503626581258,"quality":"inauspicious"},{"name":"Chala","start":"22:55","end":"00:13","startHours":22.911503626581258,"endHours":24.221635692260897,"quality":"neutral"},{"name":"Labha","start":"00:13","end":"01:32","startHours":24.221635692260897,"endHours":25.531767757940536,"quality":"auspicious"},{"name":"Amṛta","start":"01:32","end":"02:51","startHours":25.531767757940536,"endHours":26.841899823620178,"quality":"auspicious"},{"name":"Kāla","start":"02:51","end":"04:09","startHours":26.841899823620178,"endHours":28.152031889299817,"quality":"inauspicious"},{"name":"Śubha","start":"04:09","end":"05:28","startHours":28.152031889299817,"endHours":29.462163954979456,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:28","end":"06:28","startHours":5.462163954979456,"endHours":6.462163954979456,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:28","end":"07:28","startHours":6.462163954979456,"endHours":7.462163954979456,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:28","end":"08:28","startHours":7.462163954979456,"endHours":8.462163954979456,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:28","end":"09:28","startHours":8.462163954979456,"endHours":9.462163954979456,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:28","end":"10:28","startHours":9.462163954979456,"endHours":10.462163954979456,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:28","end":"11:28","startHours":10.462163954979456,"endHours":11.462163954979456,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:28","end":"12:28","startHours":11.462163954979456,"endHours":12.462163954979456,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:28","end":"13:28","startHours":12.462163954979456,"endHours":13.462163954979456,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:28","end":"14:28","startHours":13.462163954979456,"endHours":14.462163954979456,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:28","end":"15:28","startHours":14.462163954979456,"endHours":15.462163954979456,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:28","end":"16:28","startHours":15.462163954979456,"endHours":16.462163954979456,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:28","end":"17:28","startHours":16.462163954979456,"endHours":17.462163954979456,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:28","end":"18:28","startHours":17.462163954979456,"endHours":18.462163954979456,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:28","end":"19:28","startHours":18.462163954979456,"endHours":19.462163954979456,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:28","end":"20:28","startHours":19.462163954979456,"endHours":20.462163954979456,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:28","end":"21:28","startHours":20.462163954979456,"endHours":21.462163954979456,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:28","end":"22:28","startHours":21.462163954979456,"endHours":22.462163954979456,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:28","end":"23:28","startHours":22.462163954979456,"endHours":23.462163954979456,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:28","end":"00:28","startHours":23.462163954979456,"endHours":24.462163954979456,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:28","end":"01:28","startHours":24.462163954979456,"endHours":25.462163954979456,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:28","end":"02:28","startHours":25.462163954979456,"endHours":26.462163954979456,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:28","end":"03:28","startHours":26.462163954979456,"endHours":27.462163954979456,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:28","end":"04:28","startHours":27.462163954979456,"endHours":28.462163954979456,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:28","end":"05:28","startHours":28.462163954979456,"endHours":29.462163954979456,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":17.252509466837694,"eotMinutes":3.631458464346112,"ayanamsa":24.2351}},"calendars":{"vikram_samvat":2084,"vikram_samvatsara":"Raudra","saka_samvat":1949,"saka_samvatsara":"Plavaṅga","bengali_samvat":1434,"malayalam_era":1203,"nanakshahi_year":558,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Tṛtīyā · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"festivals":[{"id":"akshaya-tritiya","name":"Akṣaya Tṛtīyā","name_sanskrit":"अक्षय तृतीया","tradition":"Pan-Hindu","significance":"\"Inexhaustible third\"; auspicious for any new venture.","vrata":false,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1},{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"parashurama-jayanti","name":"Paraśurāma Jayantī","name_sanskrit":"परशुराम जयन्ती","tradition":"Vaishnava","associated_deity":"Paraśurāma (6th daśāvatāra of Krishna)","deity_avatara_index":16,"significance":"Paraśurāma's manifestation; ciranjīvi-pratiṣṭhā. Coincides with Akṣaya Tṛtīyā.","vrata":true,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":2,"sources":["Bhāgavata 9.15-16"]},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2}],"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 May 9, 2027 CE · Ṛṣikeśa · Vidhyamitra","description":"May 9, 2027 CE for Ṛṣikeśa: Śukla Tṛtīyā, sūryodaya 05:28, sūryāsta 18:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2027-05-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2027-05-09","sa":"https://sa.vidhyamitra.com/city/rishikesh/2027-05-09","hi":"https://hi.vidhyamitra.com/city/rishikesh/2027-05-09","x-default":"https://vidhyamitra.com/city/rishikesh/2027-05-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T23:34:37.212Z","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":"2026-05-14T23:34:37.212Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T23:34:37.212Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}