{"id":"vidhyamitra:city-day:rishikesh:2007-10-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2007-10-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2007-10-13","date_display":"October 13, 2007 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":2007,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454386.770833,"kali_year":5109,"ahargana":1865921.2708,"sun":{"sidereal_longitude":174.6087,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":197.3411,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":22.7325,"elapsed_within_tithi_degrees":10.7325},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":197.3411,"elapsed_within_degrees":10.6745},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":11.9498},"karana":{"half_tithi_index":3,"name":"Kaulava"},"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":2007,"month":10,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2454386.770833,"ahargana":1865921.2708,"kali_year":5109,"ayanamsa_lahiri":23.9617,"grahas":{"sun":{"sidereal_longitude":175.365634,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":195.30003399999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":-4.0026},"mars":{"sidereal_longitude":71.70383400000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":195.245634,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":232.87853400000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":129.785034,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":130.584134,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":314.5116,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":134.5116,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2007,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454386.770833,"kali_year":5109,"ahargana":1865921.2708,"sun":{"sidereal_longitude":174.6087,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":197.3411,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":22.7325,"elapsed_within_tithi_degrees":10.7325},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":197.3411,"elapsed_within_degrees":10.6745},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":11.9498},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.003,"elongation":22.732},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.003,"opposition_distance":157.268}},"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":"12:02","dayLengthHours":11.541463323440041,"dayLengthDisplay":"11 Hours 32 Mins 29 Secs","nightLengthDisplay":"12 Hours 27 Mins 31 Secs","moonriseLocal":"07:54","moonsetLocal":"18:50","rahuKala":{"name":"Rāhu Kāla","start":"09:09","end":"10:36","startHours":9.156087015672068,"endHours":10.598769931102073,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:29","end":"14:56","startHours":13.484135761962083,"endHours":14.926818677392088,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:16","end":"07:43","startHours":6.270721184812058,"endHours":7.713404100242063,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:21","startHours":8.963729293614733,"endHours":9.348444737729402,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:04","startHours":6.751615489955393,"endHours":7.0593878452471275,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:26","startHours":11.65673740241741,"endHours":12.426168290646746,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:44","end":"05:30","startHours":4.731859408353386,"endHours":5.501290296582722,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:19","end":"06:16","startHours":5.308932574525388,"endHours":6.270721184812058,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:44","startHours":13.965030067105419,"endHours":14.734460955334754,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.6121845082521,"endHours":18.012184508252098,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:18","startHours":17.8121845082521,"endHours":18.293078813395432,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.5621845082521,"endHours":19.3121845082521,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:26","startHours":23.65673740241741,"endHours":24.426168290646746,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:16","end":"07:43","startHours":6.270721184812058,"endHours":7.713404100242063,"quality":"inauspicious"},{"name":"Śubha","start":"07:43","end":"09:09","startHours":7.713404100242063,"endHours":9.156087015672068,"quality":"auspicious"},{"name":"Roga","start":"09:09","end":"10:36","startHours":9.156087015672068,"endHours":10.598769931102073,"quality":"inauspicious"},{"name":"Udveg","start":"10:36","end":"12:02","startHours":10.598769931102073,"endHours":12.041452846532078,"quality":"inauspicious"},{"name":"Chala","start":"12:02","end":"13:29","startHours":12.041452846532078,"endHours":13.484135761962083,"quality":"neutral"},{"name":"Labha","start":"13:29","end":"14:56","startHours":13.484135761962083,"endHours":14.926818677392088,"quality":"auspicious"},{"name":"Amṛta","start":"14:56","end":"16:22","startHours":14.926818677392088,"endHours":16.369501592822093,"quality":"auspicious"},{"name":"Kāla","start":"16:22","end":"17:49","startHours":16.369501592822093,"endHours":17.8121845082521,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:49","end":"19:22","startHours":17.8121845082521,"endHours":19.369501592822093,"quality":"auspicious"},{"name":"Amṛta","start":"19:22","end":"20:56","startHours":19.369501592822093,"endHours":20.926818677392088,"quality":"auspicious"},{"name":"Kāla","start":"20:56","end":"22:29","startHours":20.926818677392088,"endHours":22.484135761962083,"quality":"inauspicious"},{"name":"Śubha","start":"22:29","end":"00:02","startHours":22.484135761962083,"endHours":24.041452846532078,"quality":"auspicious"},{"name":"Roga","start":"00:02","end":"01:36","startHours":24.041452846532078,"endHours":25.598769931102073,"quality":"inauspicious"},{"name":"Udveg","start":"01:36","end":"03:09","startHours":25.598769931102073,"endHours":27.156087015672068,"quality":"inauspicious"},{"name":"Chala","start":"03:09","end":"04:43","startHours":27.156087015672068,"endHours":28.713404100242062,"quality":"neutral"},{"name":"Labha","start":"04:43","end":"06:16","startHours":28.713404100242062,"endHours":30.270721184812057,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.270721184812058,"endHours":7.270721184812058,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.270721184812058,"endHours":8.270721184812057,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.270721184812057,"endHours":9.270721184812057,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.270721184812057,"endHours":10.270721184812057,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.270721184812057,"endHours":11.270721184812057,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.270721184812057,"endHours":12.270721184812057,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.270721184812057,"endHours":13.270721184812057,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.270721184812057,"endHours":14.270721184812057,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.270721184812057,"endHours":15.270721184812057,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.270721184812057,"endHours":16.270721184812057,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.270721184812057,"endHours":17.270721184812057,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.270721184812057,"endHours":18.270721184812057,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.270721184812057,"endHours":19.270721184812057,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.270721184812057,"endHours":20.270721184812057,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.270721184812057,"endHours":21.270721184812057,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.270721184812057,"endHours":22.270721184812057,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.270721184812057,"endHours":23.270721184812057,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.270721184812057,"endHours":24.270721184812057,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.270721184812057,"endHours":25.270721184812057,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.270721184812057,"endHours":26.270721184812057,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.270721184812057,"endHours":27.270721184812057,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.270721184812057,"endHours":28.270721184812057,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.270721184812057,"endHours":29.270721184812057,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.270721184812057,"endHours":30.270721184812057,"planetary_lord":"Mercury"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"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":-7.564104316744559,"eotMinutes":14.442429208075392,"ayanamsa":23.9617}},"calendars":{"vikram_samvat":2064,"vikram_samvatsara":"Śārvarī","saka_samvat":1929,"saka_samvatsara":"Sarvajit","bengali_samvat":1414,"malayalam_era":1183,"nanakshahi_year":538,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Dvitīyā · Vikram 2064 Śārvarī · Śaka 1929 Sarvajit"},"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":"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 13, 2007 CE · Ṛṣikeśa · Vidhyamitra","description":"October 13, 2007 CE for Ṛṣikeśa: Śukla Dvitīyā, sūryodaya 06:16, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2007-10-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2007-10-13","sa":"https://sa.vidhyamitra.com/city/rishikesh/2007-10-13","hi":"https://hi.vidhyamitra.com/city/rishikesh/2007-10-13","x-default":"https://vidhyamitra.com/city/rishikesh/2007-10-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T18:00:11.104Z","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":"2026-05-16T18:00:11.104Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T18:00:11.104Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}