{"id":"vidhyamitra:city-day:rishikesh:2106-02-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2106-02-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2106-02-28","date_display":"February 28, 2106 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":2106,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490318.770833,"kali_year":5207,"ahargana":1901853.2708,"sun":{"sidereal_longitude":313.6112,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":246.7111,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":293.0999,"elapsed_within_tithi_degrees":5.0999},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":246.7111,"elapsed_within_degrees":6.7111},"yoga":{"number":16,"name":"Siddhi","sum_longitude":200.3223},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"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":2106,"month":2,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490318.770833,"ahargana":1901853.2708,"kali_year":5207,"ayanamsa_lahiri":25.336,"grahas":{"sun":{"sidereal_longitude":313.71296699999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":247.51426700000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false,"latitude":2.6464},"mars":{"sidereal_longitude":124.640267,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":294.00096699999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":345.208167,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":330.65216699999996,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":248.16116699999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":210.6614,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":30.6614,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2106,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490318.770833,"kali_year":5207,"ahargana":1901853.2708,"sun":{"sidereal_longitude":313.6112,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":246.7111,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":293.0999,"elapsed_within_tithi_degrees":5.0999},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":246.7111,"elapsed_within_degrees":6.7111},"yoga":{"number":16,"name":"Siddhi","sum_longitude":200.3223},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.646,"elongation":66.9},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.646,"opposition_distance":113.1}},"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":"06:45","sunsetLocal":"18:15","solarNoonLocal":"12:30","dayLengthHours":11.493373115597665,"dayLengthDisplay":"11 Hours 29 Mins 36 Secs","nightLengthDisplay":"12 Hours 30 Mins 24 Secs","moonriseLocal":"03:00","moonsetLocal":"13:10","rahuKala":{"name":"Rāhu Kāla","start":"16:49","end":"18:15","startHours":16.81255923211625,"endHours":18.249230871565956,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:30","end":"13:56","startHours":12.502544313767125,"endHours":13.93921595321683,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:23","end":"16:49","startHours":15.37588759266654,"endHours":16.81255923211625,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:49","startHours":9.437644816274414,"endHours":9.820757253461002,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:14","end":"07:32","startHours":7.234748302451528,"endHours":7.541238252200799,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:07","end":"12:53","startHours":12.119431876580535,"endHours":12.885656750953714,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:13","end":"05:59","startHours":5.223408007221936,"endHours":5.989632881595114,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:48","end":"06:45","startHours":5.798076663001819,"endHours":6.755857755968291,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:11","startHours":14.418106499700068,"endHours":15.184331374073246,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.049230871565957,"endHours":18.449230871565955,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:44","startHours":18.249230871565956,"endHours":18.72812141804919,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":17.999230871565956,"endHours":19.749230871565956,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:07","end":"00:53","startHours":24.119431876580535,"endHours":24.885656750953714,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:45","end":"08:12","startHours":6.755857755968291,"endHours":8.192529395418,"quality":"inauspicious"},{"name":"Chala","start":"08:12","end":"09:38","startHours":8.192529395418,"endHours":9.629201034867707,"quality":"neutral"},{"name":"Labha","start":"09:38","end":"11:04","startHours":9.629201034867707,"endHours":11.065872674317415,"quality":"auspicious"},{"name":"Amṛta","start":"11:04","end":"12:30","startHours":11.065872674317415,"endHours":12.502544313767125,"quality":"auspicious"},{"name":"Kāla","start":"12:30","end":"13:56","startHours":12.502544313767125,"endHours":13.93921595321683,"quality":"inauspicious"},{"name":"Śubha","start":"13:56","end":"15:23","startHours":13.93921595321683,"endHours":15.37588759266654,"quality":"auspicious"},{"name":"Roga","start":"15:23","end":"16:49","startHours":15.37588759266654,"endHours":16.81255923211625,"quality":"inauspicious"},{"name":"Udveg","start":"16:49","end":"18:15","startHours":16.81255923211625,"endHours":18.249230871565956,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:15","end":"19:49","startHours":18.249230871565956,"endHours":19.812559232116246,"quality":"auspicious"},{"name":"Roga","start":"19:49","end":"21:23","startHours":19.812559232116246,"endHours":21.37588759266654,"quality":"inauspicious"},{"name":"Udveg","start":"21:23","end":"22:56","startHours":21.37588759266654,"endHours":22.93921595321683,"quality":"inauspicious"},{"name":"Chala","start":"22:56","end":"00:30","startHours":22.93921595321683,"endHours":24.502544313767125,"quality":"neutral"},{"name":"Labha","start":"00:30","end":"02:04","startHours":24.502544313767125,"endHours":26.065872674317415,"quality":"auspicious"},{"name":"Amṛta","start":"02:04","end":"03:38","startHours":26.065872674317415,"endHours":27.629201034867705,"quality":"auspicious"},{"name":"Kāla","start":"03:38","end":"05:12","startHours":27.629201034867705,"endHours":29.192529395418,"quality":"inauspicious"},{"name":"Śubha","start":"05:12","end":"06:45","startHours":29.192529395418,"endHours":30.755857755968293,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.755857755968291,"endHours":7.755857755968291,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.755857755968291,"endHours":8.755857755968291,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.755857755968291,"endHours":9.755857755968291,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.755857755968291,"endHours":10.755857755968291,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.755857755968291,"endHours":11.755857755968291,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.755857755968291,"endHours":12.755857755968291,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.755857755968291,"endHours":13.755857755968291,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.755857755968291,"endHours":14.755857755968291,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.755857755968291,"endHours":15.755857755968291,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.755857755968291,"endHours":16.755857755968293,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.755857755968293,"endHours":17.755857755968293,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.755857755968293,"endHours":18.755857755968293,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.755857755968293,"endHours":19.755857755968293,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.755857755968293,"endHours":20.755857755968293,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.755857755968293,"endHours":21.755857755968293,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.755857755968293,"endHours":22.755857755968293,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.755857755968293,"endHours":23.755857755968293,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.755857755968293,"endHours":24.755857755968293,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.755857755968293,"endHours":25.755857755968293,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.755857755968293,"endHours":26.755857755968293,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.755857755968293,"endHours":27.755857755968293,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.755857755968293,"endHours":28.755857755968293,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.755857755968293,"endHours":29.755857755968293,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.755857755968293,"endHours":30.755857755968293,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","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":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Siddhi","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":-8.176165011112133,"eotMinutes":-13.223058826027486,"ayanamsa":25.336}},"calendars":{"vikram_samvat":2163,"vikram_samvatsara":"Pramāthi","saka_samvat":2028,"saka_samvatsara":"Akṣaya","bengali_samvat":1513,"malayalam_era":1282,"nanakshahi_year":637,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Daśamī · Vikram 2163 Pramāthi · Śaka 2028 Akṣaya"},"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":"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 February 28, 2106 CE · Ṛṣikeśa · Vidhyamitra","description":"February 28, 2106 CE for Ṛṣikeśa: Kṛṣṇa Daśamī, sūryodaya 06:45, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2106-02-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2106-02-28","sa":"https://sa.vidhyamitra.com/city/rishikesh/2106-02-28","hi":"https://hi.vidhyamitra.com/city/rishikesh/2106-02-28","x-default":"https://vidhyamitra.com/city/rishikesh/2106-02-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T08:01:02.171Z","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":"2026-05-22T08:01:02.171Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T08:01:02.171Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}