{"id":"vidhyamitra:city-day:rishikesh:2017-10-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2017-10-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-10-12","date_display":"October 12, 2017 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":2017,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458038.770833,"kali_year":5119,"ahargana":1869573.2708,"sun":{"sidereal_longitude":174.0265,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":75.9579,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.9315,"elapsed_within_tithi_degrees":9.9315},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":75.9579,"elapsed_within_degrees":9.2913},"yoga":{"number":19,"name":"Parigha","sum_longitude":249.9844},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2017,"month":10,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458038.770833,"ahargana":1869573.2708,"kali_year":5119,"ayanamsa_lahiri":24.1014,"grahas":{"sun":{"sidereal_longitude":174.80830100000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":78.592401,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":-3.1833},"mars":{"sidereal_longitude":148.839001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":176.77700100000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":185.93190100000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":152.73660100000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":238.697001,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":121.0111,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":301.0111,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2017,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458038.770833,"kali_year":5119,"ahargana":1869573.2708,"sun":{"sidereal_longitude":174.0265,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":75.9579,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.9315,"elapsed_within_tithi_degrees":9.9315},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":75.9579,"elapsed_within_degrees":9.2913},"yoga":{"number":19,"name":"Parigha","sum_longitude":249.9844},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.183,"elongation":98.069},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.183,"opposition_distance":81.931}},"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":"17:49","solarNoonLocal":"12:03","dayLengthHours":11.553877282536114,"dayLengthDisplay":"11 Hours 33 Mins 14 Secs","nightLengthDisplay":"12 Hours 26 Mins 46 Secs","moonriseLocal":"22:38","moonsetLocal":"12:37","rahuKala":{"name":"Rāhu Kāla","start":"13:29","end":"14:56","startHours":13.489403545497348,"endHours":14.933638205814361,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:16","end":"07:43","startHours":6.268230243912277,"endHours":7.712464904229291,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:09","end":"10:36","startHours":9.156699564546305,"endHours":10.60093422486332,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:21","startHours":8.964134943170704,"endHours":9.349264185921907,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:03","startHours":6.7496417973512814,"endHours":7.057745191552245,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:26","startHours":11.660039642429131,"endHours":12.430298127931538,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:44","end":"05:30","startHours":4.727713272907462,"endHours":5.49797175840987,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:18","end":"06:16","startHours":5.305407137034267,"endHours":6.268230243912277,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:44","startHours":13.970815098936352,"endHours":14.74107358443876,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.622107526448392,"endHours":18.02210752644839,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:18","startHours":17.82210752644839,"endHours":18.303519079887398,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.57210752644839,"endHours":19.32210752644839,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:26","startHours":23.66003964242913,"endHours":24.43029812793154,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:16","end":"07:43","startHours":6.268230243912277,"endHours":7.712464904229291,"quality":"auspicious"},{"name":"Roga","start":"07:43","end":"09:09","startHours":7.712464904229291,"endHours":9.156699564546305,"quality":"inauspicious"},{"name":"Udveg","start":"09:09","end":"10:36","startHours":9.156699564546305,"endHours":10.60093422486332,"quality":"inauspicious"},{"name":"Chala","start":"10:36","end":"12:03","startHours":10.60093422486332,"endHours":12.045168885180335,"quality":"neutral"},{"name":"Labha","start":"12:03","end":"13:29","startHours":12.045168885180335,"endHours":13.489403545497348,"quality":"auspicious"},{"name":"Amṛta","start":"13:29","end":"14:56","startHours":13.489403545497348,"endHours":14.933638205814361,"quality":"auspicious"},{"name":"Kāla","start":"14:56","end":"16:23","startHours":14.933638205814361,"endHours":16.377872866131376,"quality":"inauspicious"},{"name":"Śubha","start":"16:23","end":"17:49","startHours":16.377872866131376,"endHours":17.82210752644839,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:49","end":"19:23","startHours":17.82210752644839,"endHours":19.377872866131376,"quality":"auspicious"},{"name":"Kāla","start":"19:23","end":"20:56","startHours":19.377872866131376,"endHours":20.93363820581436,"quality":"inauspicious"},{"name":"Śubha","start":"20:56","end":"22:29","startHours":20.93363820581436,"endHours":22.48940354549735,"quality":"auspicious"},{"name":"Roga","start":"22:29","end":"00:03","startHours":22.48940354549735,"endHours":24.045168885180335,"quality":"inauspicious"},{"name":"Udveg","start":"00:03","end":"01:36","startHours":24.045168885180335,"endHours":25.60093422486332,"quality":"inauspicious"},{"name":"Chala","start":"01:36","end":"03:09","startHours":25.60093422486332,"endHours":27.156699564546308,"quality":"neutral"},{"name":"Labha","start":"03:09","end":"04:43","startHours":27.156699564546308,"endHours":28.712464904229293,"quality":"auspicious"},{"name":"Amṛta","start":"04:43","end":"06:16","startHours":28.712464904229293,"endHours":30.268230243912278,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.268230243912277,"endHours":7.268230243912277,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.268230243912277,"endHours":8.268230243912278,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.268230243912278,"endHours":9.268230243912278,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.268230243912278,"endHours":10.268230243912278,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.268230243912278,"endHours":11.268230243912278,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.268230243912278,"endHours":12.268230243912278,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.268230243912278,"endHours":13.268230243912278,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.268230243912278,"endHours":14.268230243912278,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.268230243912278,"endHours":15.268230243912278,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.268230243912278,"endHours":16.268230243912278,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.268230243912278,"endHours":17.268230243912278,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.268230243912278,"endHours":18.268230243912278,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.268230243912278,"endHours":19.268230243912278,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.268230243912278,"endHours":20.268230243912278,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.268230243912278,"endHours":21.268230243912278,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.268230243912278,"endHours":22.268230243912278,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.268230243912278,"endHours":23.268230243912278,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.268230243912278,"endHours":24.268230243912278,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.268230243912278,"endHours":25.268230243912278,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.268230243912278,"endHours":26.268230243912278,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.268230243912278,"endHours":27.268230243912278,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.268230243912278,"endHours":28.268230243912278,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.268230243912278,"endHours":29.268230243912278,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.268230243912278,"endHours":30.268230243912278,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Mausala","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":-7.405811517019827,"eotMinutes":14.219466889179907,"ayanamsa":24.1014}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Saptamī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"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}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 12, 2017 CE · Ṛṣikeśa · Vidhyamitra","description":"October 12, 2017 CE for Ṛṣikeśa: Kṛṣṇa Saptamī, sūryodaya 06:16, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2017-10-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2017-10-12","sa":"https://sa.vidhyamitra.com/city/rishikesh/2017-10-12","hi":"https://hi.vidhyamitra.com/city/rishikesh/2017-10-12","x-default":"https://vidhyamitra.com/city/rishikesh/2017-10-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T16:40:02.544Z","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":"2026-05-15T16:40:02.544Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T16:40:02.544Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}