{"id":"vidhyamitra:city-day:rishikesh:2131-03-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2131-03-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2131-03-01","date_display":"March 1, 2131 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":2131,"month":3,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499450.770833,"kali_year":5232,"ahargana":1910985.2708,"sun":{"sidereal_longitude":314.1468,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":331.7622,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":17.6154,"elapsed_within_tithi_degrees":5.6154},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":331.7622,"elapsed_within_degrees":11.7622},"yoga":{"number":22,"name":"Sādhya","sum_longitude":285.909},"karana":{"half_tithi_index":2,"name":"Bālava"},"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":2131,"month":3,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2499450.770833,"ahargana":1910985.2708,"kali_year":5232,"ayanamsa_lahiri":25.6852,"grahas":{"sun":{"sidereal_longitude":314.305558,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":334.273458,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false,"latitude":-4.0762},"mars":{"sidereal_longitude":256.3385579999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":329.41545799999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":22.24195800000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":278.1585580000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":198.79775800000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":86.804,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":266.804,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2131,"month":3,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499450.770833,"kali_year":5232,"ahargana":1910985.2708,"sun":{"sidereal_longitude":314.1468,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":331.7622,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":17.6154,"elapsed_within_tithi_degrees":5.6154},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":331.7622,"elapsed_within_degrees":11.7622},"yoga":{"number":22,"name":"Sādhya","sum_longitude":285.909},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.076,"elongation":17.615},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.076,"opposition_distance":162.385}},"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":"06:44","sunsetLocal":"18:16","solarNoonLocal":"12:30","dayLengthHours":11.521232471134336,"dayLengthDisplay":"11 Hours 31 Mins 16 Secs","nightLengthDisplay":"12 Hours 28 Mins 44 Secs","moonriseLocal":"07:47","moonsetLocal":"19:53","rahuKala":{"name":"Rāhu Kāla","start":"13:56","end":"15:23","startHours":13.93969972817704,"endHours":15.379853787068829,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:44","end":"08:11","startHours":6.738929433718078,"endHours":8.17908349260987,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:37","end":"11:04","startHours":9.619237551501662,"endHours":11.059391610393455,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:49","startHours":9.42721701031609,"endHours":9.811258092687234,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:32","startHours":7.218980786682009,"endHours":7.5262136525789245,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:07","end":"12:53","startHours":12.115504586914101,"endHours":12.88358675165639,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:12","end":"05:58","startHours":5.2027651042334995,"endHours":5.970847268975789,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:47","end":"06:44","startHours":5.778826727790217,"endHours":6.738929433718078,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:11","startHours":14.41975108114097,"endHours":15.187833245883258,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:04","end":"18:28","startHours":18.060161904852414,"endHours":18.460161904852413,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:16","end":"18:44","startHours":18.260161904852414,"endHours":18.740213257816343,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:01","end":"19:46","startHours":18.010161904852414,"endHours":19.760161904852414,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:07","end":"00:53","startHours":24.115504586914103,"endHours":24.88358675165639,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:44","end":"08:11","startHours":6.738929433718078,"endHours":8.17908349260987,"quality":"auspicious"},{"name":"Roga","start":"08:11","end":"09:37","startHours":8.17908349260987,"endHours":9.619237551501662,"quality":"inauspicious"},{"name":"Udveg","start":"09:37","end":"11:04","startHours":9.619237551501662,"endHours":11.059391610393455,"quality":"inauspicious"},{"name":"Chala","start":"11:04","end":"12:30","startHours":11.059391610393455,"endHours":12.499545669285247,"quality":"neutral"},{"name":"Labha","start":"12:30","end":"13:56","startHours":12.499545669285247,"endHours":13.93969972817704,"quality":"auspicious"},{"name":"Amṛta","start":"13:56","end":"15:23","startHours":13.93969972817704,"endHours":15.379853787068829,"quality":"auspicious"},{"name":"Kāla","start":"15:23","end":"16:49","startHours":15.379853787068829,"endHours":16.82000784596062,"quality":"inauspicious"},{"name":"Śubha","start":"16:49","end":"18:16","startHours":16.82000784596062,"endHours":18.260161904852414,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:16","end":"19:49","startHours":18.260161904852414,"endHours":19.82000784596062,"quality":"auspicious"},{"name":"Kāla","start":"19:49","end":"21:23","startHours":19.82000784596062,"endHours":21.37985378706883,"quality":"inauspicious"},{"name":"Śubha","start":"21:23","end":"22:56","startHours":21.37985378706883,"endHours":22.93969972817704,"quality":"auspicious"},{"name":"Roga","start":"22:56","end":"00:30","startHours":22.93969972817704,"endHours":24.499545669285247,"quality":"inauspicious"},{"name":"Udveg","start":"00:30","end":"02:04","startHours":24.499545669285247,"endHours":26.059391610393455,"quality":"inauspicious"},{"name":"Chala","start":"02:04","end":"03:37","startHours":26.059391610393455,"endHours":27.619237551501662,"quality":"neutral"},{"name":"Labha","start":"03:37","end":"05:11","startHours":27.619237551501662,"endHours":29.17908349260987,"quality":"auspicious"},{"name":"Amṛta","start":"05:11","end":"06:44","startHours":29.17908349260987,"endHours":30.738929433718077,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.738929433718078,"endHours":7.738929433718078,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.738929433718078,"endHours":8.738929433718077,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.738929433718077,"endHours":9.738929433718077,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.738929433718077,"endHours":10.738929433718077,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.738929433718077,"endHours":11.738929433718077,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.738929433718077,"endHours":12.738929433718077,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.738929433718077,"endHours":13.738929433718077,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.738929433718077,"endHours":14.738929433718077,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.738929433718077,"endHours":15.738929433718077,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.738929433718077,"endHours":16.738929433718077,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.738929433718077,"endHours":17.738929433718077,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.738929433718077,"endHours":18.738929433718077,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.738929433718077,"endHours":19.738929433718077,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.738929433718077,"endHours":20.738929433718077,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.738929433718077,"endHours":21.738929433718077,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.738929433718077,"endHours":22.738929433718077,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.738929433718077,"endHours":23.738929433718077,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.738929433718077,"endHours":24.738929433718077,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.738929433718077,"endHours":25.738929433718077,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.738929433718077,"endHours":26.738929433718077,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.738929433718077,"endHours":27.738929433718077,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.738929433718077,"endHours":28.738929433718077,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.738929433718077,"endHours":29.738929433718077,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.738929433718077,"endHours":30.738929433718077,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-7.821815847571238,"eotMinutes":-13.043140157114735,"ayanamsa":25.6852}},"calendars":{"vikram_samvat":2188,"vikram_samvatsara":"Krodhi","saka_samvat":2053,"saka_samvatsara":"Khara","bengali_samvat":1538,"malayalam_era":1307,"nanakshahi_year":662,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Dvitīyā · Vikram 2188 Krodhi · Śaka 2053 Khara"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"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":[]},"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 1, 2131 CE · Ṛṣikeśa · Vidhyamitra","description":"March 1, 2131 CE for Ṛṣikeśa: Śukla Dvitīyā, sūryodaya 06:44, sūryāsta 18:16.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2131-03-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2131-03-01","sa":"https://sa.vidhyamitra.com/city/rishikesh/2131-03-01","hi":"https://hi.vidhyamitra.com/city/rishikesh/2131-03-01","x-default":"https://vidhyamitra.com/city/rishikesh/2131-03-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-23T03:03:06.880Z","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":"2026-05-23T03:03:06.880Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-23T03:03:06.880Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}