{"id":"vidhyamitra:city-day:rishikesh:1971-10-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1971-10-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-10-30","date_display":"October 30, 1971 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":1971,"month":10,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441254.770833,"kali_year":5073,"ahargana":1852789.2708,"sun":{"sidereal_longitude":191.8736,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":320.9644,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":129.0908,"elapsed_within_tithi_degrees":9.0908},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":320.9644,"elapsed_within_degrees":0.9644},"yoga":{"number":12,"name":"Dhruva","sum_longitude":152.838},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"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":1971,"month":10,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441254.770833,"ahargana":1852789.2708,"kali_year":5073,"ayanamsa_lahiri":23.4594,"grahas":{"sun":{"sidereal_longitude":192.49837300000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":318.450073,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false,"latitude":2.2927},"mars":{"sidereal_longitude":303.127473,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":206.13177300000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":225.70427300000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":209.51467300000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":42.00937299999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":290.3082,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":110.3082,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1971,"month":10,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441254.770833,"kali_year":5073,"ahargana":1852789.2708,"sun":{"sidereal_longitude":191.8736,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":320.9644,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":129.0908,"elapsed_within_tithi_degrees":9.0908},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":320.9644,"elapsed_within_degrees":0.9644},"yoga":{"number":12,"name":"Dhruva","sum_longitude":152.838},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.293,"elongation":129.091},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.293,"opposition_distance":50.909}},"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":"06:28","sunsetLocal":"17:32","solarNoonLocal":"12:00","dayLengthHours":11.06660039516454,"dayLengthDisplay":"11 Hours 04 Mins 00 Secs","nightLengthDisplay":"12 Hours 56 Mins 00 Secs","moonriseLocal":"14:38","moonsetLocal":"02:10","rahuKala":{"name":"Rāhu Kāla","start":"09:14","end":"10:37","startHours":9.241346336721099,"endHours":10.624671386116667,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:23","end":"14:46","startHours":13.391321484907802,"endHours":14.774646534303368,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:28","end":"07:51","startHours":6.4746962379299635,"endHours":7.858021287325531,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:03","end":"09:26","startHours":9.05690299680169,"endHours":9.425789676640507,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:56","end":"07:14","startHours":6.935804587728486,"endHours":7.230913931599541,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:23","startHours":11.639109755673415,"endHours":12.37688311535105,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:00","end":"05:44","startHours":4.999149518574692,"endHours":5.736922878252328,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:33","end":"06:28","startHours":5.552479538332919,"endHours":6.4746962379299635,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:51","end":"14:35","startHours":13.852429834706324,"endHours":14.59020319438396,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:20","end":"17:44","startHours":17.341296633094505,"endHours":17.741296633094503,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:32","end":"18:00","startHours":17.541296633094504,"endHours":18.002404982893026,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:17","end":"19:02","startHours":17.291296633094504,"endHours":19.041296633094504,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:23","startHours":23.639109755673413,"endHours":24.376883115351053,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:28","end":"07:51","startHours":6.4746962379299635,"endHours":7.858021287325531,"quality":"inauspicious"},{"name":"Śubha","start":"07:51","end":"09:14","startHours":7.858021287325531,"endHours":9.241346336721099,"quality":"auspicious"},{"name":"Roga","start":"09:14","end":"10:37","startHours":9.241346336721099,"endHours":10.624671386116667,"quality":"inauspicious"},{"name":"Udveg","start":"10:37","end":"12:00","startHours":10.624671386116667,"endHours":12.007996435512233,"quality":"inauspicious"},{"name":"Chala","start":"12:00","end":"13:23","startHours":12.007996435512233,"endHours":13.391321484907802,"quality":"neutral"},{"name":"Labha","start":"13:23","end":"14:46","startHours":13.391321484907802,"endHours":14.774646534303368,"quality":"auspicious"},{"name":"Amṛta","start":"14:46","end":"16:09","startHours":14.774646534303368,"endHours":16.157971583698938,"quality":"auspicious"},{"name":"Kāla","start":"16:09","end":"17:32","startHours":16.157971583698938,"endHours":17.541296633094504,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:32","end":"19:09","startHours":17.541296633094504,"endHours":19.157971583698938,"quality":"auspicious"},{"name":"Amṛta","start":"19:09","end":"20:46","startHours":19.157971583698938,"endHours":20.77464653430337,"quality":"auspicious"},{"name":"Kāla","start":"20:46","end":"22:23","startHours":20.77464653430337,"endHours":22.391321484907802,"quality":"inauspicious"},{"name":"Śubha","start":"22:23","end":"00:00","startHours":22.391321484907802,"endHours":24.007996435512233,"quality":"auspicious"},{"name":"Roga","start":"00:00","end":"01:37","startHours":24.007996435512233,"endHours":25.624671386116667,"quality":"inauspicious"},{"name":"Udveg","start":"01:37","end":"03:14","startHours":25.624671386116667,"endHours":27.2413463367211,"quality":"inauspicious"},{"name":"Chala","start":"03:14","end":"04:51","startHours":27.2413463367211,"endHours":28.85802128732553,"quality":"neutral"},{"name":"Labha","start":"04:51","end":"06:28","startHours":28.85802128732553,"endHours":30.47469623792996,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:28","end":"07:28","startHours":6.4746962379299635,"endHours":7.4746962379299635,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:28","end":"08:28","startHours":7.4746962379299635,"endHours":8.474696237929964,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:28","end":"09:28","startHours":8.474696237929964,"endHours":9.474696237929964,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:28","end":"10:28","startHours":9.474696237929964,"endHours":10.474696237929964,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:28","end":"11:28","startHours":10.474696237929964,"endHours":11.474696237929964,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:28","end":"12:28","startHours":11.474696237929964,"endHours":12.474696237929964,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:28","end":"13:28","startHours":12.474696237929964,"endHours":13.474696237929964,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:28","end":"14:28","startHours":13.474696237929964,"endHours":14.474696237929964,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:28","end":"15:28","startHours":14.474696237929964,"endHours":15.474696237929964,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:28","end":"16:28","startHours":15.474696237929964,"endHours":16.47469623792996,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:28","end":"17:28","startHours":16.47469623792996,"endHours":17.47469623792996,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:28","end":"18:28","startHours":17.47469623792996,"endHours":18.47469623792996,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:28","end":"19:28","startHours":18.47469623792996,"endHours":19.47469623792996,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:28","end":"20:28","startHours":19.47469623792996,"endHours":20.47469623792996,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:28","end":"21:28","startHours":20.47469623792996,"endHours":21.47469623792996,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:28","end":"22:28","startHours":21.47469623792996,"endHours":22.47469623792996,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:28","end":"23:28","startHours":22.47469623792996,"endHours":23.47469623792996,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:28","end":"00:28","startHours":23.47469623792996,"endHours":24.47469623792996,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:28","end":"01:28","startHours":24.47469623792996,"endHours":25.47469623792996,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:28","end":"02:28","startHours":25.47469623792996,"endHours":26.47469623792996,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:28","end":"03:28","startHours":26.47469623792996,"endHours":27.47469623792996,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:28","end":"04:28","startHours":27.47469623792996,"endHours":28.47469623792996,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:28","end":"05:28","startHours":28.47469623792996,"endHours":29.47469623792996,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:28","end":"06:28","startHours":29.47469623792996,"endHours":30.47469623792996,"planetary_lord":"Mercury"}],"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":"East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-13.50581594014411,"eotMinutes":16.449813869265995,"ayanamsa":23.4594}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Ekādaśī · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"festivals":[{"id":"devotthana-ekadashi","name":"Devotthāna Ekādaśī (Prabodhinī)","name_sanskrit":"देवोत्थान एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Bhagavān Viṣṇu awakens; Cāturmāsya ends; weddings can resume.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Kārtika"},"precedence":3},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5},{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5}],"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":[]},"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 October 30, 1971 CE · Ṛṣikeśa · Vidhyamitra","description":"October 30, 1971 CE for Ṛṣikeśa: Śukla Ekādaśī, sūryodaya 06:28, sūryāsta 17:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1971-10-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1971-10-30","sa":"https://sa.vidhyamitra.com/city/rishikesh/1971-10-30","hi":"https://hi.vidhyamitra.com/city/rishikesh/1971-10-30","x-default":"https://vidhyamitra.com/city/rishikesh/1971-10-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T10:42:52.686Z","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":"2026-05-24T10:42:52.686Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T10:42:52.686Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}