{"id":"vidhyamitra:city-day:rishikesh:2177-10-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2177-10-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2177-10-11","date_display":"October 11, 2177 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":2177,"month":10,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516476.770833,"kali_year":5279,"ahargana":1928011.2708,"sun":{"sidereal_longitude":170.6614,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":30.393,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":219.7315,"elapsed_within_tithi_degrees":3.7315},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":30.393,"elapsed_within_degrees":3.7263},"yoga":{"number":16,"name":"Siddhi","sum_longitude":201.0544},"karana":{"half_tithi_index":36,"name":"Bava"},"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":2177,"month":10,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2516476.770833,"ahargana":1928011.2708,"kali_year":5279,"ayanamsa_lahiri":26.3364,"grahas":{"sun":{"sidereal_longitude":171.83553900000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"moon":{"sidereal_longitude":32.11653899999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":3.6527},"mars":{"sidereal_longitude":158.09573899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":193.22843899999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":8.330738999999994,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":159.20383900000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":39.458038999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":264.6846,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":84.6846,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2177,"month":10,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516476.770833,"kali_year":5279,"ahargana":1928011.2708,"sun":{"sidereal_longitude":170.6614,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":30.393,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":219.7315,"elapsed_within_tithi_degrees":3.7315},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":30.393,"elapsed_within_degrees":3.7263},"yoga":{"number":16,"name":"Siddhi","sum_longitude":201.0544},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.653,"elongation":140.268},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.653,"opposition_distance":39.732}},"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":"06:16","sunsetLocal":"17:50","solarNoonLocal":"12:03","dayLengthHours":11.575849275968949,"dayLengthDisplay":"11 Hours 34 Mins 33 Secs","nightLengthDisplay":"12 Hours 25 Mins 27 Secs","moonriseLocal":"19:53","moonsetLocal":"09:35","rahuKala":{"name":"Rāhu Kāla","start":"09:09","end":"10:36","startHours":9.155091447737263,"endHours":10.602072607233382,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:30","end":"14:57","startHours":13.496034926225619,"endHours":14.943016085721737,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:16","end":"07:42","startHours":6.261129128745027,"endHours":7.708110288241145,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:21","startHours":8.962160626471114,"endHours":9.348022269003414,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:03","startHours":6.7434561819104,"endHours":7.052145495936238,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:26","startHours":11.663192124197202,"endHours":12.434915409261798,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:43","end":"05:29","startHours":4.7176825586158335,"endHours":5.48940584368043,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:18","end":"06:16","startHours":5.296475022414281,"endHours":6.261129128745027,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:45","startHours":13.978361979390993,"endHours":14.75008526445559,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.636978404713975,"endHours":18.036978404713974,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:19","startHours":17.836978404713975,"endHours":18.31930545787935,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.586978404713975,"endHours":19.336978404713975,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:26","startHours":23.663192124197202,"endHours":24.434915409261798,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:16","end":"07:42","startHours":6.261129128745027,"endHours":7.708110288241145,"quality":"inauspicious"},{"name":"Śubha","start":"07:42","end":"09:09","startHours":7.708110288241145,"endHours":9.155091447737263,"quality":"auspicious"},{"name":"Roga","start":"09:09","end":"10:36","startHours":9.155091447737263,"endHours":10.602072607233382,"quality":"inauspicious"},{"name":"Udveg","start":"10:36","end":"12:03","startHours":10.602072607233382,"endHours":12.0490537667295,"quality":"inauspicious"},{"name":"Chala","start":"12:03","end":"13:30","startHours":12.0490537667295,"endHours":13.496034926225619,"quality":"neutral"},{"name":"Labha","start":"13:30","end":"14:57","startHours":13.496034926225619,"endHours":14.943016085721737,"quality":"auspicious"},{"name":"Amṛta","start":"14:57","end":"16:23","startHours":14.943016085721737,"endHours":16.389997245217856,"quality":"auspicious"},{"name":"Kāla","start":"16:23","end":"17:50","startHours":16.389997245217856,"endHours":17.836978404713975,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:50","end":"19:23","startHours":17.836978404713975,"endHours":19.389997245217856,"quality":"auspicious"},{"name":"Amṛta","start":"19:23","end":"20:57","startHours":19.389997245217856,"endHours":20.943016085721737,"quality":"auspicious"},{"name":"Kāla","start":"20:57","end":"22:30","startHours":20.943016085721737,"endHours":22.49603492622562,"quality":"inauspicious"},{"name":"Śubha","start":"22:30","end":"00:03","startHours":22.49603492622562,"endHours":24.0490537667295,"quality":"auspicious"},{"name":"Roga","start":"00:03","end":"01:36","startHours":24.0490537667295,"endHours":25.60207260723338,"quality":"inauspicious"},{"name":"Udveg","start":"01:36","end":"03:09","startHours":25.60207260723338,"endHours":27.155091447737263,"quality":"inauspicious"},{"name":"Chala","start":"03:09","end":"04:42","startHours":27.155091447737263,"endHours":28.708110288241144,"quality":"neutral"},{"name":"Labha","start":"04:42","end":"06:16","startHours":28.708110288241144,"endHours":30.261129128745026,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.261129128745027,"endHours":7.261129128745027,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.261129128745027,"endHours":8.261129128745026,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.261129128745026,"endHours":9.261129128745026,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.261129128745026,"endHours":10.261129128745026,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.261129128745026,"endHours":11.261129128745026,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.261129128745026,"endHours":12.261129128745026,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.261129128745026,"endHours":13.261129128745026,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.261129128745026,"endHours":14.261129128745026,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.261129128745026,"endHours":15.261129128745026,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.261129128745026,"endHours":16.261129128745026,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.261129128745026,"endHours":17.261129128745026,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.261129128745026,"endHours":18.261129128745026,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.261129128745026,"endHours":19.261129128745026,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.261129128745026,"endHours":20.261129128745026,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.261129128745026,"endHours":21.261129128745026,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.261129128745026,"endHours":22.261129128745026,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.261129128745026,"endHours":23.261129128745026,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.261129128745026,"endHours":24.261129128745026,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.261129128745026,"endHours":25.261129128745026,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.261129128745026,"endHours":26.261129128745026,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.261129128745026,"endHours":27.261129128745026,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.261129128745026,"endHours":28.261129128745026,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.261129128745026,"endHours":29.261129128745026,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.261129128745026,"endHours":30.261129128745026,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.125359289946524,"eotMinutes":13.986373996230075,"ayanamsa":26.3364}},"calendars":{"vikram_samvat":2234,"vikram_samvatsara":"Vikṛti","saka_samvat":2099,"saka_samvatsara":"Īśvara","bengali_samvat":1584,"malayalam_era":1353,"nanakshahi_year":708,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Caturthī · Vikram 2234 Vikṛti · Śaka 2099 Īśvara"},"festivals":[{"id":"karva-chauth","name":"Karvā Chauth","name_sanskrit":"करवा चौथ","tradition":"Pan-Hindu","associated_deity":"Pārvatī + Gaṇeśa + Chandra","significance":"North Indian wives' fast for husband's longevity. Kṛṣṇa Caturthī of Kārtika.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa","lunar_month":"Kārtika"},"precedence":2},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 11, 2177 CE · Ṛṣikeśa · Vidhyamitra","description":"October 11, 2177 CE for Ṛṣikeśa: Kṛṣṇa Caturthī, sūryodaya 06:16, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2177-10-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2177-10-11","sa":"https://sa.vidhyamitra.com/city/rishikesh/2177-10-11","hi":"https://hi.vidhyamitra.com/city/rishikesh/2177-10-11","x-default":"https://vidhyamitra.com/city/rishikesh/2177-10-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:23:47.847Z","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":"2026-05-31T03:23:47.847Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:23:47.847Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}