{"id":"vidhyamitra:city-day:rishikesh:1963-05-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1963-05-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-05-11","date_display":"May 11, 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":5,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438160.770833,"kali_year":5065,"ahargana":1849695.2708,"sun":{"sidereal_longitude":26.4005,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":234.185,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":207.7845,"elapsed_within_tithi_degrees":3.7845},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":234.185,"elapsed_within_degrees":7.5183},"yoga":{"number":20,"name":"Śiva","sum_longitude":260.5854},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"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":1963,"month":5,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438160.770833,"ahargana":1849695.2708,"kali_year":5065,"ayanamsa_lahiri":23.3411,"grahas":{"sun":{"sidereal_longitude":26.307086000000027,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":231.90598599999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false,"latitude":2.8943},"mars":{"sidereal_longitude":116.40328599999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":37.311285999999996,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":345.760286,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":357.539986,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":300.006386,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":94.2432,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":274.2432,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"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":5,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438160.770833,"kali_year":5065,"ahargana":1849695.2708,"sun":{"sidereal_longitude":26.4005,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":234.185,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":207.7845,"elapsed_within_tithi_degrees":3.7845},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":234.185,"elapsed_within_degrees":7.5183},"yoga":{"number":20,"name":"Śiva","sum_longitude":260.5854},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.894,"elongation":152.216},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.894,"opposition_distance":27.784}},"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":"05:27","sunsetLocal":"19:00","solarNoonLocal":"12:13","dayLengthHours":13.553169889250151,"dayLengthDisplay":"13 Hours 33 Mins 11 Secs","nightLengthDisplay":"10 Hours 26 Mins 49 Secs","moonriseLocal":"20:48","moonsetLocal":"07:03","rahuKala":{"name":"Rāhu Kāla","start":"08:50","end":"10:32","startHours":8.832001033288982,"endHours":10.526147269445252,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:55","end":"15:37","startHours":13.91443974175779,"endHours":15.608585977914059,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:27","end":"07:08","startHours":5.443708560976445,"endHours":7.1378547971327135,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:03","startHours":8.606114868468147,"endHours":9.057887198109817,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:22","startHours":6.008423973028535,"endHours":6.369841836741872,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:40","startHours":11.76852117595985,"endHours":12.672065835243194,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:38","end":"04:32","startHours":3.636619242409758,"endHours":4.540163901693101,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:19","end":"05:27","startHours":4.314277736872265,"endHours":5.443708560976445,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:23","startHours":14.479155153809879,"endHours":15.382699813093222,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:48","end":"19:12","startHours":18.796878450226597,"endHours":19.196878450226595,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:00","end":"19:34","startHours":18.996878450226596,"endHours":19.561593862278684,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:45","end":"20:30","startHours":18.746878450226596,"endHours":20.496878450226596,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:40","startHours":23.76852117595985,"endHours":24.672065835243192,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:27","end":"07:08","startHours":5.443708560976445,"endHours":7.1378547971327135,"quality":"inauspicious"},{"name":"Śubha","start":"07:08","end":"08:50","startHours":7.1378547971327135,"endHours":8.832001033288982,"quality":"auspicious"},{"name":"Roga","start":"08:50","end":"10:32","startHours":8.832001033288982,"endHours":10.526147269445252,"quality":"inauspicious"},{"name":"Udveg","start":"10:32","end":"12:13","startHours":10.526147269445252,"endHours":12.220293505601521,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"13:55","startHours":12.220293505601521,"endHours":13.91443974175779,"quality":"neutral"},{"name":"Labha","start":"13:55","end":"15:37","startHours":13.91443974175779,"endHours":15.608585977914059,"quality":"auspicious"},{"name":"Amṛta","start":"15:37","end":"17:18","startHours":15.608585977914059,"endHours":17.302732214070325,"quality":"auspicious"},{"name":"Kāla","start":"17:18","end":"19:00","startHours":17.302732214070325,"endHours":18.996878450226596,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:00","end":"20:18","startHours":18.996878450226596,"endHours":20.30273221407033,"quality":"auspicious"},{"name":"Amṛta","start":"20:18","end":"21:37","startHours":20.30273221407033,"endHours":21.608585977914057,"quality":"auspicious"},{"name":"Kāla","start":"21:37","end":"22:55","startHours":21.608585977914057,"endHours":22.91443974175779,"quality":"inauspicious"},{"name":"Śubha","start":"22:55","end":"00:13","startHours":22.91443974175779,"endHours":24.22029350560152,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:32","startHours":24.22029350560152,"endHours":25.526147269445254,"quality":"inauspicious"},{"name":"Udveg","start":"01:32","end":"02:50","startHours":25.526147269445254,"endHours":26.832001033288982,"quality":"inauspicious"},{"name":"Chala","start":"02:50","end":"04:08","startHours":26.832001033288982,"endHours":28.137854797132714,"quality":"neutral"},{"name":"Labha","start":"04:08","end":"05:27","startHours":28.137854797132714,"endHours":29.443708560976447,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:27","end":"06:27","startHours":5.443708560976445,"endHours":6.443708560976445,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:27","end":"07:27","startHours":6.443708560976445,"endHours":7.443708560976445,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:27","end":"08:27","startHours":7.443708560976445,"endHours":8.443708560976445,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:27","end":"09:27","startHours":8.443708560976445,"endHours":9.443708560976445,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:27","end":"10:27","startHours":9.443708560976445,"endHours":10.443708560976445,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:27","end":"11:27","startHours":10.443708560976445,"endHours":11.443708560976445,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:27","end":"12:27","startHours":11.443708560976445,"endHours":12.443708560976445,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:27","end":"13:27","startHours":12.443708560976445,"endHours":13.443708560976445,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:27","end":"14:27","startHours":13.443708560976445,"endHours":14.443708560976445,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:27","end":"15:27","startHours":14.443708560976445,"endHours":15.443708560976445,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:27","end":"16:27","startHours":15.443708560976445,"endHours":16.443708560976447,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:27","end":"17:27","startHours":16.443708560976447,"endHours":17.443708560976447,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:27","end":"18:27","startHours":17.443708560976447,"endHours":18.443708560976447,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:27","end":"19:27","startHours":18.443708560976447,"endHours":19.443708560976447,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:27","end":"20:27","startHours":19.443708560976447,"endHours":20.443708560976447,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:27","end":"21:27","startHours":20.443708560976447,"endHours":21.443708560976447,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:27","end":"22:27","startHours":21.443708560976447,"endHours":22.443708560976447,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:27","end":"23:27","startHours":22.443708560976447,"endHours":23.443708560976447,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:27","end":"00:27","startHours":23.443708560976447,"endHours":24.443708560976447,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:27","end":"01:27","startHours":24.443708560976447,"endHours":25.443708560976447,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:27","end":"02:27","startHours":25.443708560976447,"endHours":26.443708560976447,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:27","end":"03:27","startHours":26.443708560976447,"endHours":27.443708560976447,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:27","end":"04:27","startHours":27.443708560976447,"endHours":28.443708560976447,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:27","end":"05:27","startHours":28.443708560976447,"endHours":29.443708560976447,"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","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"East","anandadiYoga":{"name":"Padma","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":17.64420390977213,"eotMinutes":3.71198966390865,"ayanamsa":23.3411}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Tṛtīyā · Vikram 2020 Nala · Śaka 1885 Śobhana"},"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":"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}],"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 11, 1963 CE · Ṛṣikeśa · Vidhyamitra","description":"May 11, 1963 CE for Ṛṣikeśa: Kṛṣṇa Tṛtīyā, sūryodaya 05:27, sūryāsta 19:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1963-05-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1963-05-11","sa":"https://sa.vidhyamitra.com/city/rishikesh/1963-05-11","hi":"https://hi.vidhyamitra.com/city/rishikesh/1963-05-11","x-default":"https://vidhyamitra.com/city/rishikesh/1963-05-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T00:44:14.299Z","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":"2026-05-20T00:44:14.299Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T00:44:14.299Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}