{"id":"vidhyamitra:city-day:rishikesh:1936-10-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1936-10-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1936-10-13","date_display":"October 13, 1936 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":1936,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428454.770833,"kali_year":5038,"ahargana":1839989.2708,"sun":{"sidereal_longitude":175.9687,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":149.0347,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.0659,"elapsed_within_tithi_degrees":9.0659},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.0347,"elapsed_within_degrees":2.368},"yoga":{"number":25,"name":"Brahma","sum_longitude":325.0034},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1936,"month":10,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2428454.770833,"ahargana":1839989.2708,"kali_year":5038,"ayanamsa_lahiri":22.9699,"grahas":{"sun":{"sidereal_longitude":176.55202699999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":150.406027,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":-4.4384},"mars":{"sidereal_longitude":138.08842700000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":160.16082700000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":237.94162700000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":205.46962699999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":324.47092699999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":248.5138,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":68.5138,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":1936,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428454.770833,"kali_year":5038,"ahargana":1839989.2708,"sun":{"sidereal_longitude":175.9687,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":149.0347,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.0659,"elapsed_within_tithi_degrees":9.0659},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.0347,"elapsed_within_degrees":2.368},"yoga":{"number":25,"name":"Brahma","sum_longitude":325.0034},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.438,"elongation":26.934},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.438,"opposition_distance":153.066}},"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":11.535685202812608,"dayLengthDisplay":"11 Hours 32 Mins 08 Secs","nightLengthDisplay":"12 Hours 27 Mins 52 Secs","moonriseLocal":"04:09","moonsetLocal":"16:27","rahuKala":{"name":"Rāhu Kāla","start":"14:56","end":"16:22","startHours":14.92537414723523,"endHours":16.367334797586807,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:09","end":"10:36","startHours":9.157531545828926,"endHours":10.599492196180503,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:02","end":"13:29","startHours":12.041452846532078,"endHours":13.483413496883653,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:21","startHours":8.965270125782048,"endHours":9.349792965875803,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:04","startHours":6.754263795242966,"endHours":7.061882067317969,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:26","startHours":11.656930006438325,"endHours":12.425975686625831,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:44","end":"05:30","startHours":4.735518884750759,"endHours":5.504564564938266,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:19","end":"06:16","startHours":5.3123031448913896,"endHours":6.273610245125774,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:44","startHours":13.964067047000846,"endHours":14.733112727188352,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.609295447938383,"endHours":18.00929544793838,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:17","startHours":17.809295447938382,"endHours":18.289948998055575,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.559295447938382,"endHours":19.309295447938382,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:26","startHours":23.656930006438323,"endHours":24.425975686625833,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:16","end":"07:43","startHours":6.273610245125774,"endHours":7.71557089547735,"quality":"inauspicious"},{"name":"Udveg","start":"07:43","end":"09:09","startHours":7.71557089547735,"endHours":9.157531545828926,"quality":"inauspicious"},{"name":"Chala","start":"09:09","end":"10:36","startHours":9.157531545828926,"endHours":10.599492196180503,"quality":"neutral"},{"name":"Labha","start":"10:36","end":"12:02","startHours":10.599492196180503,"endHours":12.041452846532078,"quality":"auspicious"},{"name":"Amṛta","start":"12:02","end":"13:29","startHours":12.041452846532078,"endHours":13.483413496883653,"quality":"auspicious"},{"name":"Kāla","start":"13:29","end":"14:56","startHours":13.483413496883653,"endHours":14.92537414723523,"quality":"inauspicious"},{"name":"Śubha","start":"14:56","end":"16:22","startHours":14.92537414723523,"endHours":16.367334797586807,"quality":"auspicious"},{"name":"Roga","start":"16:22","end":"17:49","startHours":16.367334797586807,"endHours":17.809295447938382,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:49","end":"19:22","startHours":17.809295447938382,"endHours":19.367334797586807,"quality":"inauspicious"},{"name":"Śubha","start":"19:22","end":"20:56","startHours":19.367334797586807,"endHours":20.92537414723523,"quality":"auspicious"},{"name":"Roga","start":"20:56","end":"22:29","startHours":20.92537414723523,"endHours":22.483413496883653,"quality":"inauspicious"},{"name":"Udveg","start":"22:29","end":"00:02","startHours":22.483413496883653,"endHours":24.041452846532078,"quality":"inauspicious"},{"name":"Chala","start":"00:02","end":"01:36","startHours":24.041452846532078,"endHours":25.599492196180503,"quality":"neutral"},{"name":"Labha","start":"01:36","end":"03:09","startHours":25.599492196180503,"endHours":27.157531545828924,"quality":"auspicious"},{"name":"Amṛta","start":"03:09","end":"04:43","startHours":27.157531545828924,"endHours":28.71557089547735,"quality":"auspicious"},{"name":"Kāla","start":"04:43","end":"06:16","startHours":28.71557089547735,"endHours":30.273610245125774,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.273610245125774,"endHours":7.273610245125774,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.273610245125774,"endHours":8.273610245125774,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.273610245125774,"endHours":9.273610245125774,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.273610245125774,"endHours":10.273610245125774,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.273610245125774,"endHours":11.273610245125774,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.273610245125774,"endHours":12.273610245125774,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.273610245125774,"endHours":13.273610245125774,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.273610245125774,"endHours":14.273610245125774,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.273610245125774,"endHours":15.273610245125774,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.273610245125774,"endHours":16.273610245125774,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.273610245125774,"endHours":17.273610245125774,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.273610245125774,"endHours":18.273610245125774,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.273610245125774,"endHours":19.273610245125774,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.273610245125774,"endHours":20.273610245125774,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.273610245125774,"endHours":21.273610245125774,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.273610245125774,"endHours":22.273610245125774,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.273610245125774,"endHours":23.273610245125774,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.273610245125774,"endHours":24.273610245125774,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.273610245125774,"endHours":25.273610245125774,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.273610245125774,"endHours":26.273610245125774,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.273610245125774,"endHours":27.273610245125774,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.273610245125774,"endHours":28.273610245125774,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.273610245125774,"endHours":29.273610245125774,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.273610245125774,"endHours":30.273610245125774,"planetary_lord":"Saturn"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Śubha","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":-7.637741867881824,"eotMinutes":14.442429208075392,"ayanamsa":22.9699}},"calendars":{"vikram_samvat":1993,"vikram_samvatsara":"Virodhi","saka_samvat":1858,"saka_samvatsara":"Dhātṛ","bengali_samvat":1343,"malayalam_era":1112,"nanakshahi_year":467,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","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":"Āśvina Kṛṣṇa Trayodaśī · Vikram 1993 Virodhi · Śaka 1858 Dhātṛ"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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, 1936 CE · Ṛṣikeśa · Vidhyamitra","description":"October 13, 1936 CE for Ṛṣikeśa: Kṛṣṇa Trayodaśī, sūryodaya 06:16, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1936-10-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1936-10-13","sa":"https://sa.vidhyamitra.com/city/rishikesh/1936-10-13","hi":"https://hi.vidhyamitra.com/city/rishikesh/1936-10-13","x-default":"https://vidhyamitra.com/city/rishikesh/1936-10-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:50:05.003Z","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":"2026-05-31T00:50:05.003Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:50:05.003Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}