{"id":"vidhyamitra:city-day:rishikesh:1997-10-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1997-10-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-10-05","date_display":"October 5, 1997 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":1997,"month":10,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450726.770833,"kali_year":5099,"ahargana":1862261.2708,"sun":{"sidereal_longitude":167.2821,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":207.1566,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.8745,"elapsed_within_tithi_degrees":3.8745},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.1566,"elapsed_within_degrees":7.1566},"yoga":{"number":2,"name":"Prīti","sum_longitude":14.4387},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1997,"month":10,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450726.770833,"ahargana":1862261.2708,"kali_year":5099,"ayanamsa_lahiri":23.8217,"grahas":{"sun":{"sidereal_longitude":168.02217300000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"moon":{"sidereal_longitude":204.95427300000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false,"latitude":3.8448},"mars":{"sidereal_longitude":220.49597300000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":161.233473,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":288.28857300000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"venus":{"sidereal_longitude":212.55207300000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":353.433173,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":148.436,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":328.436,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1997,"month":10,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450726.770833,"kali_year":5099,"ahargana":1862261.2708,"sun":{"sidereal_longitude":167.2821,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":207.1566,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.8745,"elapsed_within_tithi_degrees":3.8745},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.1566,"elapsed_within_degrees":7.1566},"yoga":{"number":2,"name":"Prīti","sum_longitude":14.4387},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.845,"elongation":39.875},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.845,"opposition_distance":140.125}},"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":"06:12","sunsetLocal":"17:58","solarNoonLocal":"12:05","dayLengthHours":11.76622570485092,"dayLengthDisplay":"11 Hours 45 Mins 58 Secs","nightLengthDisplay":"12 Hours 14 Mins 02 Secs","moonriseLocal":"09:11","moonsetLocal":"19:53","rahuKala":{"name":"Rāhu Kāla","start":"16:29","end":"17:58","startHours":16.48795663497961,"endHours":17.958734848085975,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:05","end":"13:33","startHours":12.075621995660516,"endHours":13.54640020876688,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:01","end":"16:29","startHours":15.017178421873245,"endHours":16.48795663497961,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:20","startHours":8.937961807700269,"endHours":9.3301693311953,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:41","end":"07:00","startHours":6.682768547603843,"endHours":6.996534566399868,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:28","startHours":11.683414472165484,"endHours":12.467829519155547,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:37","end":"05:24","startHours":4.623679049254933,"endHours":5.408094096244994,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:13","end":"06:12","startHours":5.211990334497479,"endHours":6.192509143235055,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:49","startHours":14.036659613135669,"endHours":14.82107466012573,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:46","end":"18:10","startHours":17.758734848085975,"endHours":18.158734848085974,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:58","end":"18:27","startHours":17.958734848085975,"endHours":18.448994252454764,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:43","end":"19:28","startHours":17.708734848085975,"endHours":19.458734848085975,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:28","startHours":23.683414472165484,"endHours":24.467829519155547,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:12","end":"07:40","startHours":6.192509143235055,"endHours":7.66328735634142,"quality":"inauspicious"},{"name":"Chala","start":"07:40","end":"09:08","startHours":7.66328735634142,"endHours":9.134065569447785,"quality":"neutral"},{"name":"Labha","start":"09:08","end":"10:36","startHours":9.134065569447785,"endHours":10.60484378255415,"quality":"auspicious"},{"name":"Amṛta","start":"10:36","end":"12:05","startHours":10.60484378255415,"endHours":12.075621995660516,"quality":"auspicious"},{"name":"Kāla","start":"12:05","end":"13:33","startHours":12.075621995660516,"endHours":13.54640020876688,"quality":"inauspicious"},{"name":"Śubha","start":"13:33","end":"15:01","startHours":13.54640020876688,"endHours":15.017178421873245,"quality":"auspicious"},{"name":"Roga","start":"15:01","end":"16:29","startHours":15.017178421873245,"endHours":16.48795663497961,"quality":"inauspicious"},{"name":"Udveg","start":"16:29","end":"17:58","startHours":16.48795663497961,"endHours":17.958734848085975,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:58","end":"19:29","startHours":17.958734848085975,"endHours":19.48795663497961,"quality":"auspicious"},{"name":"Roga","start":"19:29","end":"21:01","startHours":19.48795663497961,"endHours":21.017178421873243,"quality":"inauspicious"},{"name":"Udveg","start":"21:01","end":"22:33","startHours":21.017178421873243,"endHours":22.54640020876688,"quality":"inauspicious"},{"name":"Chala","start":"22:33","end":"00:05","startHours":22.54640020876688,"endHours":24.075621995660516,"quality":"neutral"},{"name":"Labha","start":"00:05","end":"01:36","startHours":24.075621995660516,"endHours":25.60484378255415,"quality":"auspicious"},{"name":"Amṛta","start":"01:36","end":"03:08","startHours":25.60484378255415,"endHours":27.134065569447785,"quality":"auspicious"},{"name":"Kāla","start":"03:08","end":"04:40","startHours":27.134065569447785,"endHours":28.66328735634142,"quality":"inauspicious"},{"name":"Śubha","start":"04:40","end":"06:12","startHours":28.66328735634142,"endHours":30.192509143235057,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:12","end":"07:12","startHours":6.192509143235055,"endHours":7.192509143235055,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:12","end":"08:12","startHours":7.192509143235055,"endHours":8.192509143235055,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:12","end":"09:12","startHours":8.192509143235055,"endHours":9.192509143235055,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:12","end":"10:12","startHours":9.192509143235055,"endHours":10.192509143235055,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:12","end":"11:12","startHours":10.192509143235055,"endHours":11.192509143235055,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:12","end":"12:12","startHours":11.192509143235055,"endHours":12.192509143235055,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:12","end":"13:12","startHours":12.192509143235055,"endHours":13.192509143235055,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:12","end":"14:12","startHours":13.192509143235055,"endHours":14.192509143235055,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:12","end":"15:12","startHours":14.192509143235055,"endHours":15.192509143235055,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:12","end":"16:12","startHours":15.192509143235055,"endHours":16.192509143235057,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:12","end":"17:12","startHours":16.192509143235057,"endHours":17.192509143235057,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:12","end":"18:12","startHours":17.192509143235057,"endHours":18.192509143235057,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:12","end":"19:12","startHours":18.192509143235057,"endHours":19.192509143235057,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:12","end":"20:12","startHours":19.192509143235057,"endHours":20.192509143235057,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:12","end":"21:12","startHours":20.192509143235057,"endHours":21.192509143235057,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:12","end":"22:12","startHours":21.192509143235057,"endHours":22.192509143235057,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:12","end":"23:12","startHours":22.192509143235057,"endHours":23.192509143235057,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:12","end":"00:12","startHours":23.192509143235057,"endHours":24.192509143235057,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:12","end":"01:12","startHours":24.192509143235057,"endHours":25.192509143235057,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:12","end":"02:12","startHours":25.192509143235057,"endHours":26.192509143235057,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:12","end":"03:12","startHours":26.192509143235057,"endHours":27.192509143235057,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:12","end":"04:12","startHours":27.192509143235057,"endHours":28.192509143235057,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:12","end":"05:12","startHours":28.192509143235057,"endHours":29.192509143235057,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:12","end":"06:12","startHours":29.192509143235057,"endHours":30.192509143235057,"planetary_lord":"Jupiter"}],"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","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-4.682426061592234,"eotMinutes":12.392280260369008,"ayanamsa":23.8217}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Caturthī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4},{"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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 October 5, 1997 CE · Ṛṣikeśa · Vidhyamitra","description":"October 5, 1997 CE for Ṛṣikeśa: Śukla Caturthī, sūryodaya 06:12, sūryāsta 17:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1997-10-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1997-10-05","sa":"https://sa.vidhyamitra.com/city/rishikesh/1997-10-05","hi":"https://hi.vidhyamitra.com/city/rishikesh/1997-10-05","x-default":"https://vidhyamitra.com/city/rishikesh/1997-10-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T02:12:46.920Z","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":"2026-05-17T02:12:46.920Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T02:12:46.920Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}