{"id":"vidhyamitra:city-day:rishikesh:1963-02-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1963-02-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-02-25","date_display":"February 25, 1963 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":1963,"month":2,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438085.770833,"kali_year":5064,"ahargana":1849620.2708,"sun":{"sidereal_longitude":312.6045,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":323.8518,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":11.2472,"elapsed_within_tithi_degrees":11.2472},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":323.8518,"elapsed_within_degrees":3.8518},"yoga":{"number":21,"name":"Siddha","sum_longitude":276.4563},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1963,"month":2,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438085.770833,"ahargana":1849620.2708,"kali_year":5064,"ayanamsa_lahiri":23.3382,"grahas":{"sun":{"sidereal_longitude":312.37835199999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":325.5307519999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":-3.2154},"mars":{"sidereal_longitude":104.99005199999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":289.10885199999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":328.20985199999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":268.579752,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":293.69855199999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":98.2171,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":278.2171,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"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":1963,"month":2,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438085.770833,"kali_year":5064,"ahargana":1849620.2708,"sun":{"sidereal_longitude":312.6045,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":323.8518,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":11.2472,"elapsed_within_tithi_degrees":11.2472},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":323.8518,"elapsed_within_degrees":3.8518},"yoga":{"number":21,"name":"Siddha","sum_longitude":276.4563},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.215,"elongation":11.247},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.215,"opposition_distance":168.753}},"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":"06:49","sunsetLocal":"18:13","solarNoonLocal":"12:31","dayLengthHours":11.39562859474222,"dayLengthDisplay":"11 Hours 23 Mins 44 Secs","nightLengthDisplay":"12 Hours 36 Mins 16 Secs","moonriseLocal":"07:31","moonsetLocal":"19:16","rahuKala":{"name":"Rāhu Kāla","start":"08:14","end":"09:40","startHours":8.237167355887191,"endHours":9.661620930229969,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:05","end":"12:31","startHours":11.086074504572746,"endHours":12.510528078915524,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:56","end":"15:22","startHours":13.934981653258301,"endHours":15.359435227601079,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:51","startHours":9.471693786984265,"endHours":9.851548073475671,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:17","end":"07:35","startHours":7.287531639658672,"endHours":7.5914150688517985,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:53","startHours":12.130673792424117,"endHours":12.89038236540693,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:18","end":"06:03","startHours":5.293296635578783,"endHours":6.053005208561598,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:49","startHours":5.863078065315895,"endHours":6.812713781544413,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:10","startHours":14.40979951137256,"endHours":15.169508084355375,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:01","end":"18:25","startHours":18.008342376286635,"endHours":18.408342376286633,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:13","end":"18:41","startHours":18.208342376286634,"endHours":18.683160234400894,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:58","end":"19:43","startHours":17.958342376286634,"endHours":19.708342376286634,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:53","startHours":24.130673792424115,"endHours":24.890382365406932,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:49","end":"08:14","startHours":6.812713781544413,"endHours":8.237167355887191,"quality":"auspicious"},{"name":"Kāla","start":"08:14","end":"09:40","startHours":8.237167355887191,"endHours":9.661620930229969,"quality":"inauspicious"},{"name":"Śubha","start":"09:40","end":"11:05","startHours":9.661620930229969,"endHours":11.086074504572746,"quality":"auspicious"},{"name":"Roga","start":"11:05","end":"12:31","startHours":11.086074504572746,"endHours":12.510528078915524,"quality":"inauspicious"},{"name":"Udveg","start":"12:31","end":"13:56","startHours":12.510528078915524,"endHours":13.934981653258301,"quality":"inauspicious"},{"name":"Chala","start":"13:56","end":"15:22","startHours":13.934981653258301,"endHours":15.359435227601079,"quality":"neutral"},{"name":"Labha","start":"15:22","end":"16:47","startHours":15.359435227601079,"endHours":16.783888801943856,"quality":"auspicious"},{"name":"Amṛta","start":"16:47","end":"18:13","startHours":16.783888801943856,"endHours":18.208342376286634,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:13","end":"19:47","startHours":18.208342376286634,"endHours":19.783888801943856,"quality":"neutral"},{"name":"Labha","start":"19:47","end":"21:22","startHours":19.783888801943856,"endHours":21.35943522760108,"quality":"auspicious"},{"name":"Amṛta","start":"21:22","end":"22:56","startHours":21.35943522760108,"endHours":22.9349816532583,"quality":"auspicious"},{"name":"Kāla","start":"22:56","end":"00:31","startHours":22.9349816532583,"endHours":24.510528078915524,"quality":"inauspicious"},{"name":"Śubha","start":"00:31","end":"02:05","startHours":24.510528078915524,"endHours":26.086074504572746,"quality":"auspicious"},{"name":"Roga","start":"02:05","end":"03:40","startHours":26.086074504572746,"endHours":27.66162093022997,"quality":"inauspicious"},{"name":"Udveg","start":"03:40","end":"05:14","startHours":27.66162093022997,"endHours":29.23716735588719,"quality":"inauspicious"},{"name":"Chala","start":"05:14","end":"06:49","startHours":29.23716735588719,"endHours":30.812713781544414,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:49","end":"07:49","startHours":6.812713781544413,"endHours":7.812713781544413,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:49","end":"08:49","startHours":7.812713781544413,"endHours":8.812713781544414,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:49","end":"09:49","startHours":8.812713781544414,"endHours":9.812713781544414,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:49","end":"10:49","startHours":9.812713781544414,"endHours":10.812713781544414,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:49","end":"11:49","startHours":10.812713781544414,"endHours":11.812713781544414,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:49","end":"12:49","startHours":11.812713781544414,"endHours":12.812713781544414,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:49","end":"13:49","startHours":12.812713781544414,"endHours":13.812713781544414,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:49","end":"14:49","startHours":13.812713781544414,"endHours":14.812713781544414,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:49","end":"15:49","startHours":14.812713781544414,"endHours":15.812713781544414,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:49","end":"16:49","startHours":15.812713781544414,"endHours":16.812713781544414,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:49","end":"17:49","startHours":16.812713781544414,"endHours":17.812713781544414,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:49","end":"18:49","startHours":17.812713781544414,"endHours":18.812713781544414,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:49","end":"19:49","startHours":18.812713781544414,"endHours":19.812713781544414,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:49","end":"20:49","startHours":19.812713781544414,"endHours":20.812713781544414,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:49","end":"21:49","startHours":20.812713781544414,"endHours":21.812713781544414,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:49","end":"22:49","startHours":21.812713781544414,"endHours":22.812713781544414,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:49","end":"23:49","startHours":22.812713781544414,"endHours":23.812713781544414,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:49","end":"00:49","startHours":23.812713781544414,"endHours":24.812713781544414,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:49","end":"01:49","startHours":24.812713781544414,"endHours":25.812713781544414,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:49","end":"02:49","startHours":25.812713781544414,"endHours":26.812713781544414,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:49","end":"03:49","startHours":26.812713781544414,"endHours":27.812713781544414,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:49","end":"04:49","startHours":27.812713781544414,"endHours":28.812713781544414,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:49","end":"05:49","startHours":28.812713781544414,"endHours":29.812713781544414,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:49","end":"06:49","startHours":29.812713781544414,"endHours":30.812713781544414,"planetary_lord":"Venus"}],"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":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","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":-9.414050495655625,"eotMinutes":-13.702084734931393,"ayanamsa":23.3382}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Pratipada · Vikram 2020 Nala · Śaka 1885 Śobhana"},"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 25, 1963 CE · Ṛṣikeśa · Vidhyamitra","description":"February 25, 1963 CE for Ṛṣikeśa: Śukla Pratipada, sūryodaya 06:49, sūryāsta 18:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1963-02-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1963-02-25","sa":"https://sa.vidhyamitra.com/city/rishikesh/1963-02-25","hi":"https://hi.vidhyamitra.com/city/rishikesh/1963-02-25","x-default":"https://vidhyamitra.com/city/rishikesh/1963-02-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T10:02:26.144Z","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":"2026-05-20T10:02:26.144Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T10:02:26.144Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}