{"id":"vidhyamitra:city-day:rishikesh:1935-10-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1935-10-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1935-10-13","date_display":"October 13, 1935 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":1935,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428088.770833,"kali_year":5037,"ahargana":1839623.2708,"sun":{"sidereal_longitude":175.2336,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":7.369,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":192.1354,"elapsed_within_tithi_degrees":0.1354},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":7.369,"elapsed_within_degrees":7.369},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.6026},"karana":{"half_tithi_index":32,"name":"Taitila"},"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":1935,"month":10,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2428088.770833,"ahargana":1839623.2708,"kali_year":5037,"ayanamsa_lahiri":22.9559,"grahas":{"sun":{"sidereal_longitude":175.815611,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":7.621610999999973,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false,"latitude":4.4386},"mars":{"sidereal_longitude":236.41491099999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":187.957311,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":212.19721100000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":137.694211,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":311.63231099999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":267.9062,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":87.9062,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":1935,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428088.770833,"kali_year":5037,"ahargana":1839623.2708,"sun":{"sidereal_longitude":175.2336,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":7.369,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":192.1354,"elapsed_within_tithi_degrees":0.1354},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":7.369,"elapsed_within_degrees":7.369},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.6026},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.439,"elongation":167.865},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.439,"opposition_distance":12.135}},"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":11.557988779177144,"dayLengthDisplay":"11 Hours 33 Mins 29 Secs","nightLengthDisplay":"12 Hours 26 Mins 31 Secs","moonriseLocal":"18:19","moonsetLocal":"07:20","rahuKala":{"name":"Rāhu Kāla","start":"16:23","end":"17:49","startHours":16.375698638723506,"endHours":17.82044723612065,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:02","end":"13:29","startHours":12.041452846532078,"endHours":13.48620144392922,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:56","end":"16:23","startHours":14.930950041326362,"endHours":16.375698638723506,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:21","startHours":8.959322505418172,"endHours":9.34458879805741,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:03","startHours":6.744041322742553,"endHours":7.052254356853943,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:26","startHours":11.656186553892839,"endHours":12.426719139171317,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:43","end":"05:30","startHours":4.721393286386553,"endHours":5.491925871665028,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:18","end":"06:16","startHours":5.29929272534541,"endHours":6.262458456943505,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:44","startHours":13.967784309728266,"endHours":14.738316895006742,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.62044723612065,"endHours":18.02044723612065,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:18","startHours":17.82044723612065,"endHours":18.302030101919698,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.57044723612065,"endHours":19.32044723612065,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:26","startHours":23.65618655389284,"endHours":24.426719139171315,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:16","end":"07:42","startHours":6.262458456943505,"endHours":7.707207054340648,"quality":"inauspicious"},{"name":"Chala","start":"07:42","end":"09:09","startHours":7.707207054340648,"endHours":9.15195565173779,"quality":"neutral"},{"name":"Labha","start":"09:09","end":"10:36","startHours":9.15195565173779,"endHours":10.596704249134934,"quality":"auspicious"},{"name":"Amṛta","start":"10:36","end":"12:02","startHours":10.596704249134934,"endHours":12.041452846532078,"quality":"auspicious"},{"name":"Kāla","start":"12:02","end":"13:29","startHours":12.041452846532078,"endHours":13.48620144392922,"quality":"inauspicious"},{"name":"Śubha","start":"13:29","end":"14:56","startHours":13.48620144392922,"endHours":14.930950041326362,"quality":"auspicious"},{"name":"Roga","start":"14:56","end":"16:23","startHours":14.930950041326362,"endHours":16.375698638723506,"quality":"inauspicious"},{"name":"Udveg","start":"16:23","end":"17:49","startHours":16.375698638723506,"endHours":17.82044723612065,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:49","end":"19:23","startHours":17.82044723612065,"endHours":19.375698638723506,"quality":"auspicious"},{"name":"Roga","start":"19:23","end":"20:56","startHours":19.375698638723506,"endHours":20.930950041326362,"quality":"inauspicious"},{"name":"Udveg","start":"20:56","end":"22:29","startHours":20.930950041326362,"endHours":22.48620144392922,"quality":"inauspicious"},{"name":"Chala","start":"22:29","end":"00:02","startHours":22.48620144392922,"endHours":24.041452846532078,"quality":"neutral"},{"name":"Labha","start":"00:02","end":"01:36","startHours":24.041452846532078,"endHours":25.596704249134934,"quality":"auspicious"},{"name":"Amṛta","start":"01:36","end":"03:09","startHours":25.596704249134934,"endHours":27.151955651737794,"quality":"auspicious"},{"name":"Kāla","start":"03:09","end":"04:42","startHours":27.151955651737794,"endHours":28.70720705434065,"quality":"inauspicious"},{"name":"Śubha","start":"04:42","end":"06:16","startHours":28.70720705434065,"endHours":30.262458456943506,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.262458456943505,"endHours":7.262458456943505,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.262458456943505,"endHours":8.262458456943506,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.262458456943506,"endHours":9.262458456943506,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.262458456943506,"endHours":10.262458456943506,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.262458456943506,"endHours":11.262458456943506,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.262458456943506,"endHours":12.262458456943506,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.262458456943506,"endHours":13.262458456943506,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.262458456943506,"endHours":14.262458456943506,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.262458456943506,"endHours":15.262458456943506,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.262458456943506,"endHours":16.262458456943506,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.262458456943506,"endHours":17.262458456943506,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.262458456943506,"endHours":18.262458456943506,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.262458456943506,"endHours":19.262458456943506,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.262458456943506,"endHours":20.262458456943506,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.262458456943506,"endHours":21.262458456943506,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.262458456943506,"endHours":22.262458456943506,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.262458456943506,"endHours":23.262458456943506,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.262458456943506,"endHours":24.262458456943506,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.262458456943506,"endHours":25.262458456943506,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.262458456943506,"endHours":26.262458456943506,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.262458456943506,"endHours":27.262458456943506,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.262458456943506,"endHours":28.262458456943506,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.262458456943506,"endHours":29.262458456943506,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.262458456943506,"endHours":30.262458456943506,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","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":-7.353359280678799,"eotMinutes":14.442429208075392,"ayanamsa":22.9559}},"calendars":{"vikram_samvat":1992,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1857,"saka_samvatsara":"Yuva","bengali_samvat":1342,"malayalam_era":1111,"nanakshahi_year":466,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Dvitīyā · Vikram 1992 Sarvadhāri · Śaka 1857 Yuva"},"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":"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":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 13, 1935 CE · Ṛṣikeśa · Vidhyamitra","description":"October 13, 1935 CE for Ṛṣikeśa: Kṛṣṇa Dvitīyā, sūryodaya 06:16, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1935-10-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1935-10-13","sa":"https://sa.vidhyamitra.com/city/rishikesh/1935-10-13","hi":"https://hi.vidhyamitra.com/city/rishikesh/1935-10-13","x-default":"https://vidhyamitra.com/city/rishikesh/1935-10-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T11:44:08.934Z","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":"2026-05-24T11:44:08.934Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T11:44:08.934Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}