{"id":"vidhyamitra:city-day:rishikesh:2115-02-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2115-02-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2115-02-28","date_display":"February 28, 2115 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":2115,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2493605.770833,"kali_year":5216,"ahargana":1905140.2708,"sun":{"sidereal_longitude":313.2796,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":354.5111,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.2315,"elapsed_within_tithi_degrees":5.2315},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.5111,"elapsed_within_degrees":7.8444},"yoga":{"number":24,"name":"Śukla","sum_longitude":307.7906},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":2115,"month":2,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2493605.770833,"ahargana":1905140.2708,"kali_year":5216,"ayanamsa_lahiri":25.4617,"grahas":{"sun":{"sidereal_longitude":313.40398000000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":354.39278,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":-3.0087},"mars":{"sidereal_longitude":24.152080000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":296.20208,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":266.08898,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":276.23028,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":343.87658,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":36.5003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":216.5003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2115,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2493605.770833,"kali_year":5216,"ahargana":1905140.2708,"sun":{"sidereal_longitude":313.2796,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":354.5111,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":41.2315,"elapsed_within_tithi_degrees":5.2315},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.5111,"elapsed_within_degrees":7.8444},"yoga":{"number":24,"name":"Śukla","sum_longitude":307.7906},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.009,"elongation":41.232},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.009,"opposition_distance":138.768}},"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":"06:46","sunsetLocal":"18:15","solarNoonLocal":"12:30","dayLengthHours":11.487962644774491,"dayLengthDisplay":"11 Hours 29 Mins 17 Secs","nightLengthDisplay":"12 Hours 30 Mins 43 Secs","moonriseLocal":"08:53","moonsetLocal":"21:35","rahuKala":{"name":"Rāhu Kāla","start":"13:56","end":"15:22","startHours":13.938539644363935,"endHours":15.374534974960747,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:46","end":"08:12","startHours":6.758562991379879,"endHours":8.19455832197669,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:38","end":"11:04","startHours":9.630553652573502,"endHours":11.066548983170314,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:49","startHours":9.439087608493928,"endHours":9.822019696653076,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:14","end":"07:33","startHours":7.2372281015788165,"endHours":7.543573772106136,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:07","end":"12:53","startHours":12.119612225607975,"endHours":12.885476401926274,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:14","end":"06:00","startHours":5.226834638743281,"endHours":5.99269881506158,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:48","end":"06:46","startHours":5.801232770982005,"endHours":6.758562991379879,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:11","startHours":14.417204754562873,"endHours":15.183068930881172,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.04652563615437,"endHours":18.44652563615437,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:44","startHours":18.24652563615437,"endHours":18.725190746353306,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":17.99652563615437,"endHours":19.74652563615437,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:07","end":"00:53","startHours":24.119612225607973,"endHours":24.885476401926276,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:46","end":"08:12","startHours":6.758562991379879,"endHours":8.19455832197669,"quality":"auspicious"},{"name":"Roga","start":"08:12","end":"09:38","startHours":8.19455832197669,"endHours":9.630553652573502,"quality":"inauspicious"},{"name":"Udveg","start":"09:38","end":"11:04","startHours":9.630553652573502,"endHours":11.066548983170314,"quality":"inauspicious"},{"name":"Chala","start":"11:04","end":"12:30","startHours":11.066548983170314,"endHours":12.502544313767125,"quality":"neutral"},{"name":"Labha","start":"12:30","end":"13:56","startHours":12.502544313767125,"endHours":13.938539644363935,"quality":"auspicious"},{"name":"Amṛta","start":"13:56","end":"15:22","startHours":13.938539644363935,"endHours":15.374534974960747,"quality":"auspicious"},{"name":"Kāla","start":"15:22","end":"16:49","startHours":15.374534974960747,"endHours":16.81053030555756,"quality":"inauspicious"},{"name":"Śubha","start":"16:49","end":"18:15","startHours":16.81053030555756,"endHours":18.24652563615437,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:15","end":"19:49","startHours":18.24652563615437,"endHours":19.81053030555756,"quality":"auspicious"},{"name":"Kāla","start":"19:49","end":"21:22","startHours":19.81053030555756,"endHours":21.374534974960746,"quality":"inauspicious"},{"name":"Śubha","start":"21:22","end":"22:56","startHours":21.374534974960746,"endHours":22.938539644363935,"quality":"auspicious"},{"name":"Roga","start":"22:56","end":"00:30","startHours":22.938539644363935,"endHours":24.502544313767125,"quality":"inauspicious"},{"name":"Udveg","start":"00:30","end":"02:04","startHours":24.502544313767125,"endHours":26.066548983170314,"quality":"inauspicious"},{"name":"Chala","start":"02:04","end":"03:38","startHours":26.066548983170314,"endHours":27.630553652573504,"quality":"neutral"},{"name":"Labha","start":"03:38","end":"05:12","startHours":27.630553652573504,"endHours":29.19455832197669,"quality":"auspicious"},{"name":"Amṛta","start":"05:12","end":"06:46","startHours":29.19455832197669,"endHours":30.75856299137988,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:46","end":"07:46","startHours":6.758562991379879,"endHours":7.758562991379879,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:46","end":"08:46","startHours":7.758562991379879,"endHours":8.758562991379879,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:46","end":"09:46","startHours":8.758562991379879,"endHours":9.758562991379879,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:46","end":"10:46","startHours":9.758562991379879,"endHours":10.758562991379879,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:46","end":"11:46","startHours":10.758562991379879,"endHours":11.758562991379879,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:46","end":"12:46","startHours":11.758562991379879,"endHours":12.758562991379879,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:46","end":"13:46","startHours":12.758562991379879,"endHours":13.758562991379879,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:46","end":"14:46","startHours":13.758562991379879,"endHours":14.758562991379879,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:46","end":"15:46","startHours":14.758562991379879,"endHours":15.758562991379879,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:46","end":"16:46","startHours":15.758562991379879,"endHours":16.75856299137988,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:46","end":"17:46","startHours":16.75856299137988,"endHours":17.75856299137988,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:46","end":"18:46","startHours":17.75856299137988,"endHours":18.75856299137988,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:46","end":"19:46","startHours":18.75856299137988,"endHours":19.75856299137988,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:46","end":"20:46","startHours":19.75856299137988,"endHours":20.75856299137988,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:46","end":"21:46","startHours":20.75856299137988,"endHours":21.75856299137988,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:46","end":"22:46","startHours":21.75856299137988,"endHours":22.75856299137988,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:46","end":"23:46","startHours":22.75856299137988,"endHours":23.75856299137988,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:46","end":"00:46","startHours":23.75856299137988,"endHours":24.75856299137988,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:46","end":"01:46","startHours":24.75856299137988,"endHours":25.75856299137988,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:46","end":"02:46","startHours":25.75856299137988,"endHours":26.75856299137988,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:46","end":"03:46","startHours":26.75856299137988,"endHours":27.75856299137988,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:46","end":"04:46","startHours":27.75856299137988,"endHours":28.75856299137988,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:46","end":"05:46","startHours":28.75856299137988,"endHours":29.75856299137988,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:46","end":"06:46","startHours":29.75856299137988,"endHours":30.75856299137988,"planetary_lord":"Moon"}],"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":["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":"Lumba","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":-8.244907375140674,"eotMinutes":-13.223058826027486,"ayanamsa":25.4617}},"calendars":{"vikram_samvat":2172,"vikram_samvatsara":"Sarvadhāri","saka_samvat":2037,"saka_samvatsara":"Yuva","bengali_samvat":1522,"malayalam_era":1291,"nanakshahi_year":646,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Caturthī · Vikram 2172 Sarvadhāri · Śaka 2037 Yuva"},"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},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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 February 28, 2115 CE · Ṛṣikeśa · Vidhyamitra","description":"February 28, 2115 CE for Ṛṣikeśa: Śukla Caturthī, sūryodaya 06:46, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2115-02-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2115-02-28","sa":"https://sa.vidhyamitra.com/city/rishikesh/2115-02-28","hi":"https://hi.vidhyamitra.com/city/rishikesh/2115-02-28","x-default":"https://vidhyamitra.com/city/rishikesh/2115-02-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T03:31:29.900Z","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":"2026-05-22T03:31:29.900Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T03:31:29.900Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}