{"id":"vidhyamitra:city-day:rishikesh:2145-05-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2145-05-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2145-05-01","date_display":"May 1, 2145 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":2145,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2504625.770833,"kali_year":5247,"ahargana":1916160.2708,"sun":{"sidereal_longitude":14.747,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":117.9831,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":103.2361,"elapsed_within_tithi_degrees":7.2361},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":117.9831,"elapsed_within_degrees":11.3165},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":132.7302},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2145,"month":5,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2504625.770833,"ahargana":1916160.2708,"kali_year":5247,"ayanamsa_lahiri":25.8831,"grahas":{"sun":{"sidereal_longitude":15.016635000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":115.02183500000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false,"latitude":-3.6679},"mars":{"sidereal_longitude":51.566835000000026,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":7.382934999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":93.422235,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"venus":{"sidereal_longitude":326.83243500000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":357.466235,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":172.6076,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":352.6076,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":2145,"month":5,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2504625.770833,"kali_year":5247,"ahargana":1916160.2708,"sun":{"sidereal_longitude":14.747,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":117.9831,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":103.2361,"elapsed_within_tithi_degrees":7.2361},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":117.9831,"elapsed_within_degrees":11.3165},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":132.7302},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.668,"elongation":103.236},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.668,"opposition_distance":76.764}},"eclipse_window_40days":[{"offset_days":-9,"type":"solar","occurs":true,"moon_latitude":-1.112,"elongation":1.386}]},"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":"05:34","sunsetLocal":"18:54","solarNoonLocal":"12:14","dayLengthHours":13.333493304940657,"dayLengthDisplay":"13 Hours 20 Mins 01 Secs","nightLengthDisplay":"10 Hours 39 Mins 59 Secs","moonriseLocal":"12:17","moonsetLocal":"01:31","rahuKala":{"name":"Rāhu Kāla","start":"08:54","end":"10:34","startHours":8.900153218282057,"endHours":10.566839881399638,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:54","end":"15:34","startHours":13.900213207634803,"endHours":15.566899870752383,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:34","end":"07:14","startHours":5.566779892046893,"endHours":7.233466555164474,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:07","startHours":8.67792832986638,"endHours":9.122378106697735,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:29","startHours":6.122342113086087,"endHours":6.477901934551171,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:41","startHours":11.789076767685865,"endHours":12.677976321348575,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:47","end":"04:41","startHours":3.788980784721472,"endHours":4.677880338384182,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:27","end":"05:34","startHours":4.455655449968504,"endHours":5.566779892046893,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:21","startHours":14.455775428673999,"endHours":15.34467498233671,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:42","end":"19:06","startHours":18.70027319698755,"endHours":19.100273196987548,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:54","end":"19:27","startHours":18.90027319698755,"endHours":19.45583541802674,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:39","end":"20:24","startHours":18.65027319698755,"endHours":20.40027319698755,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:41","startHours":23.789076767685863,"endHours":24.677976321348574,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:34","end":"07:14","startHours":5.566779892046893,"endHours":7.233466555164474,"quality":"inauspicious"},{"name":"Śubha","start":"07:14","end":"08:54","startHours":7.233466555164474,"endHours":8.900153218282057,"quality":"auspicious"},{"name":"Roga","start":"08:54","end":"10:34","startHours":8.900153218282057,"endHours":10.566839881399638,"quality":"inauspicious"},{"name":"Udveg","start":"10:34","end":"12:14","startHours":10.566839881399638,"endHours":12.233526544517222,"quality":"inauspicious"},{"name":"Chala","start":"12:14","end":"13:54","startHours":12.233526544517222,"endHours":13.900213207634803,"quality":"neutral"},{"name":"Labha","start":"13:54","end":"15:34","startHours":13.900213207634803,"endHours":15.566899870752383,"quality":"auspicious"},{"name":"Amṛta","start":"15:34","end":"17:14","startHours":15.566899870752383,"endHours":17.233586533869968,"quality":"auspicious"},{"name":"Kāla","start":"17:14","end":"18:54","startHours":17.233586533869968,"endHours":18.90027319698755,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:54","end":"20:14","startHours":18.90027319698755,"endHours":20.233586533869968,"quality":"auspicious"},{"name":"Amṛta","start":"20:14","end":"21:34","startHours":20.233586533869968,"endHours":21.566899870752383,"quality":"auspicious"},{"name":"Kāla","start":"21:34","end":"22:54","startHours":21.566899870752383,"endHours":22.900213207634803,"quality":"inauspicious"},{"name":"Śubha","start":"22:54","end":"00:14","startHours":22.900213207634803,"endHours":24.23352654451722,"quality":"auspicious"},{"name":"Roga","start":"00:14","end":"01:34","startHours":24.23352654451722,"endHours":25.566839881399638,"quality":"inauspicious"},{"name":"Udveg","start":"01:34","end":"02:54","startHours":25.566839881399638,"endHours":26.900153218282057,"quality":"inauspicious"},{"name":"Chala","start":"02:54","end":"04:14","startHours":26.900153218282057,"endHours":28.233466555164476,"quality":"neutral"},{"name":"Labha","start":"04:14","end":"05:34","startHours":28.233466555164476,"endHours":29.566779892046892,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:34","end":"06:34","startHours":5.566779892046893,"endHours":6.566779892046893,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:34","end":"07:34","startHours":6.566779892046893,"endHours":7.566779892046893,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:34","end":"08:34","startHours":7.566779892046893,"endHours":8.566779892046892,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:34","end":"09:34","startHours":8.566779892046892,"endHours":9.566779892046892,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:34","end":"10:34","startHours":9.566779892046892,"endHours":10.566779892046892,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:34","end":"11:34","startHours":10.566779892046892,"endHours":11.566779892046892,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:34","end":"12:34","startHours":11.566779892046892,"endHours":12.566779892046892,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:34","end":"13:34","startHours":12.566779892046892,"endHours":13.566779892046892,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:34","end":"14:34","startHours":13.566779892046892,"endHours":14.566779892046892,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:34","end":"15:34","startHours":14.566779892046892,"endHours":15.566779892046892,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:34","end":"16:34","startHours":15.566779892046892,"endHours":16.566779892046892,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:34","end":"17:34","startHours":16.566779892046892,"endHours":17.566779892046892,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:34","end":"18:34","startHours":17.566779892046892,"endHours":18.566779892046892,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:34","end":"19:34","startHours":18.566779892046892,"endHours":19.566779892046892,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:34","end":"20:34","startHours":19.566779892046892,"endHours":20.566779892046892,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:34","end":"21:34","startHours":20.566779892046892,"endHours":21.566779892046892,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:34","end":"22:34","startHours":21.566779892046892,"endHours":22.566779892046892,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:34","end":"23:34","startHours":22.566779892046892,"endHours":23.566779892046892,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:34","end":"00:34","startHours":23.566779892046892,"endHours":24.566779892046892,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:34","end":"01:34","startHours":24.566779892046892,"endHours":25.566779892046892,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:34","end":"02:34","startHours":25.566779892046892,"endHours":26.566779892046892,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:34","end":"03:34","startHours":26.566779892046892,"endHours":27.566779892046892,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:34","end":"04:34","startHours":27.566779892046892,"endHours":28.566779892046892,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:34","end":"05:34","startHours":28.566779892046892,"endHours":29.566779892046892,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"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":15.094408380027689,"eotMinutes":2.918007328966811,"ayanamsa":25.8831}},"calendars":{"vikram_samvat":2202,"vikram_samvatsara":"Kālayukta","saka_samvat":2067,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1552,"malayalam_era":1321,"nanakshahi_year":676,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Navamī · Vikram 2202 Kālayukta · Śaka 2067 Viśvāvasu"},"festivals":[{"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":"sita-navami","name":"Sītā Navamī","name_sanskrit":"सीता नवमी","tradition":"Vaishnava","associated_deity":"Sītā Devī (Lakṣmī as Bhū-suta)","significance":"Devī Sītā's manifestation in Mithilā; rāmāvatāra-kalatra.","vrata":true,"detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":2,"sources":["Vālmīki Rāmāyaṇa, Bāla-Kāṇḍa 66"]},{"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},{"id":"madhva-jayanti","name":"Madhvācārya Jayantī","name_sanskrit":"मध्वाचार्य जयन्ती","tradition":"Vaishnava","associated_deity":"Madhvācārya (Dvaita)","significance":"Birth of Madhvācārya; Dvaita-pratiṣṭhāpaka. Vaiśākha Śukla 9.","vrata":false,"detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 May 1, 2145 CE · Ṛṣikeśa · Vidhyamitra","description":"May 1, 2145 CE for Ṛṣikeśa: Śukla Navamī, sūryodaya 05:34, sūryāsta 18:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2145-05-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2145-05-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/2145-05-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/2145-05-01","x-default":"https://vidhyamitra.com/city/rishikesh/2145-05-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-26T20:08:37.033Z","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":"2026-05-26T20:08:37.033Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-26T20:08:37.033Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}