{"id":"vidhyamitra:city-day:rishikesh:1963-09-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1963-09-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-09-10","date_display":"September 10, 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":9,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438282.770833,"kali_year":5065,"ahargana":1849817.2708,"sun":{"sidereal_longitude":142.6534,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":44.6221,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.9687,"elapsed_within_tithi_degrees":9.9687},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":44.6221,"elapsed_within_degrees":4.6221},"yoga":{"number":15,"name":"Vajra","sum_longitude":187.2755},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":9,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438282.770833,"ahargana":1849817.2708,"kali_year":5065,"ayanamsa_lahiri":23.3458,"grahas":{"sun":{"sidereal_longitude":143.27952500000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":47.42772500000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false,"latitude":-3.0763},"mars":{"sidereal_longitude":185.630625,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":162.04022499999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":355.218425,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":146.809325,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":295.176925,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":87.779,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":267.779,"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":1963,"month":9,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438282.770833,"kali_year":5065,"ahargana":1849817.2708,"sun":{"sidereal_longitude":142.6534,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":44.6221,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.9687,"elapsed_within_tithi_degrees":9.9687},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":44.6221,"elapsed_within_degrees":4.6221},"yoga":{"number":15,"name":"Vajra","sum_longitude":187.2755},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.076,"elongation":98.031},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.076,"opposition_distance":81.969}},"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":"05:57","sunsetLocal":"18:29","solarNoonLocal":"12:13","dayLengthHours":12.538295548207085,"dayLengthDisplay":"12 Hours 32 Mins 18 Secs","nightLengthDisplay":"11 Hours 27 Mins 42 Secs","moonriseLocal":"22:53","moonsetLocal":"12:47","rahuKala":{"name":"Rāhu Kāla","start":"15:21","end":"16:55","startHours":15.355952257424335,"endHours":16.92323920095022,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:05","end":"10:39","startHours":9.086804483320794,"endHours":10.654091426846678,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:13","end":"13:47","startHours":12.221378370372564,"endHours":13.78866531389845,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.877832890850675,"endHours":9.295776075790911,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:28","end":"06:49","startHours":6.474659577444317,"endHours":6.809014125396506,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:38","startHours":11.803435185432328,"endHours":12.6393215553128,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:07","startHours":4.280457856508077,"endHours":5.1163442263885495,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:54","end":"05:57","startHours":4.907372633918431,"endHours":5.952230596269022,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:19","end":"15:09","startHours":14.311094295073744,"endHours":15.146980664954215,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:17","end":"18:41","startHours":18.290526144476107,"endHours":18.690526144476106,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:29","end":"19:01","startHours":18.490526144476107,"endHours":19.012955125651402,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:14","end":"19:59","startHours":18.240526144476107,"endHours":19.990526144476107,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:38","startHours":23.803435185432328,"endHours":24.639321555312797,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:57","end":"07:31","startHours":5.952230596269022,"endHours":7.519517539794908,"quality":"inauspicious"},{"name":"Udveg","start":"07:31","end":"09:05","startHours":7.519517539794908,"endHours":9.086804483320794,"quality":"inauspicious"},{"name":"Chala","start":"09:05","end":"10:39","startHours":9.086804483320794,"endHours":10.654091426846678,"quality":"neutral"},{"name":"Labha","start":"10:39","end":"12:13","startHours":10.654091426846678,"endHours":12.221378370372564,"quality":"auspicious"},{"name":"Amṛta","start":"12:13","end":"13:47","startHours":12.221378370372564,"endHours":13.78866531389845,"quality":"auspicious"},{"name":"Kāla","start":"13:47","end":"15:21","startHours":13.78866531389845,"endHours":15.355952257424335,"quality":"inauspicious"},{"name":"Śubha","start":"15:21","end":"16:55","startHours":15.355952257424335,"endHours":16.92323920095022,"quality":"auspicious"},{"name":"Roga","start":"16:55","end":"18:29","startHours":16.92323920095022,"endHours":18.490526144476107,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:29","end":"19:55","startHours":18.490526144476107,"endHours":19.92323920095022,"quality":"inauspicious"},{"name":"Śubha","start":"19:55","end":"21:21","startHours":19.92323920095022,"endHours":21.355952257424335,"quality":"auspicious"},{"name":"Roga","start":"21:21","end":"22:47","startHours":21.355952257424335,"endHours":22.78866531389845,"quality":"inauspicious"},{"name":"Udveg","start":"22:47","end":"00:13","startHours":22.78866531389845,"endHours":24.221378370372562,"quality":"inauspicious"},{"name":"Chala","start":"00:13","end":"01:39","startHours":24.221378370372562,"endHours":25.654091426846676,"quality":"neutral"},{"name":"Labha","start":"01:39","end":"03:05","startHours":25.654091426846676,"endHours":27.086804483320794,"quality":"auspicious"},{"name":"Amṛta","start":"03:05","end":"04:31","startHours":27.086804483320794,"endHours":28.519517539794908,"quality":"auspicious"},{"name":"Kāla","start":"04:31","end":"05:57","startHours":28.519517539794908,"endHours":29.952230596269022,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:57","end":"06:57","startHours":5.952230596269022,"endHours":6.952230596269022,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:57","end":"07:57","startHours":6.952230596269022,"endHours":7.952230596269022,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:57","end":"08:57","startHours":7.952230596269022,"endHours":8.952230596269022,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:57","end":"09:57","startHours":8.952230596269022,"endHours":9.952230596269022,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:57","end":"10:57","startHours":9.952230596269022,"endHours":10.952230596269022,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:57","end":"11:57","startHours":10.952230596269022,"endHours":11.952230596269022,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:57","end":"12:57","startHours":11.952230596269022,"endHours":12.952230596269022,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:57","end":"13:57","startHours":12.952230596269022,"endHours":13.952230596269022,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:57","end":"14:57","startHours":13.952230596269022,"endHours":14.952230596269022,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:57","end":"15:57","startHours":14.952230596269022,"endHours":15.952230596269022,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:57","end":"16:57","startHours":15.952230596269022,"endHours":16.952230596269022,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:57","end":"17:57","startHours":16.952230596269022,"endHours":17.952230596269022,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:57","end":"18:57","startHours":17.952230596269022,"endHours":18.952230596269022,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:57","end":"19:57","startHours":18.952230596269022,"endHours":19.952230596269022,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:57","end":"20:57","startHours":19.952230596269022,"endHours":20.952230596269022,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:57","end":"21:57","startHours":20.952230596269022,"endHours":21.952230596269022,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:57","end":"22:57","startHours":21.952230596269022,"endHours":22.952230596269022,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:57","end":"23:57","startHours":22.952230596269022,"endHours":23.952230596269022,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:57","end":"00:57","startHours":23.952230596269022,"endHours":24.952230596269022,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:57","end":"01:57","startHours":24.952230596269022,"endHours":25.952230596269022,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:57","end":"02:57","startHours":25.952230596269022,"endHours":26.952230596269022,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:57","end":"03:57","startHours":26.952230596269022,"endHours":27.952230596269022,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:57","end":"04:57","startHours":27.952230596269022,"endHours":28.952230596269022,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:57","end":"05:57","startHours":28.952230596269022,"endHours":29.952230596269022,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":5.278828090564672,"eotMinutes":3.6468977776461458,"ayanamsa":23.3458}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Saptamī · Vikram 2020 Nala · Śaka 1885 Śobhana"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","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 September 10, 1963 CE · Ṛṣikeśa · Vidhyamitra","description":"September 10, 1963 CE for Ṛṣikeśa: Kṛṣṇa Saptamī, sūryodaya 05:57, sūryāsta 18:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1963-09-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1963-09-10","sa":"https://sa.vidhyamitra.com/city/rishikesh/1963-09-10","hi":"https://hi.vidhyamitra.com/city/rishikesh/1963-09-10","x-default":"https://vidhyamitra.com/city/rishikesh/1963-09-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T19:31:18.389Z","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":"2026-05-20T19:31:18.389Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T19:31:18.389Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}