{"id":"vidhyamitra:city-day:rishikesh:1874-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1874-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1874-09-13","date_display":"September 13, 1874 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":1874,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2405779.770833,"kali_year":4976,"ahargana":1817314.2708,"sun":{"sidereal_longitude":147.535,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":175.4485,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":27.9135,"elapsed_within_tithi_degrees":3.9135},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":175.4485,"elapsed_within_degrees":2.1151},"yoga":{"number":25,"name":"Brahma","sum_longitude":322.9835},"karana":{"half_tithi_index":4,"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":1874,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2405779.770833,"ahargana":1817314.2708,"kali_year":4976,"ayanamsa_lahiri":22.1027,"grahas":{"sun":{"sidereal_longitude":147.95817899999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":173.03037900000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":1.1253},"mars":{"sidereal_longitude":127.61367899999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":154.18707900000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":166.52587900000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":195.530479,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":287.40037899999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":9.9444,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":189.9444,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":1874,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2405779.770833,"kali_year":4976,"ahargana":1817314.2708,"sun":{"sidereal_longitude":147.535,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":175.4485,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":27.9135,"elapsed_within_tithi_degrees":3.9135},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":175.4485,"elapsed_within_degrees":2.1151},"yoga":{"number":25,"name":"Brahma","sum_longitude":322.9835},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.125,"elongation":27.913},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.125,"opposition_distance":152.087}},"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":"05:59","sunsetLocal":"18:25","solarNoonLocal":"12:12","dayLengthHours":12.433459547711912,"dayLengthDisplay":"12 Hours 26 Mins 00 Secs","nightLengthDisplay":"11 Hours 34 Mins 00 Secs","moonriseLocal":"08:04","moonsetLocal":"19:41","rahuKala":{"name":"Rāhu Kāla","start":"16:52","end":"18:25","startHours":16.865476148227533,"endHours":18.419658591691523,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:12","end":"13:45","startHours":12.202928817835566,"endHours":13.757111261299556,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:19","end":"16:52","startHours":15.311293704763544,"endHours":16.865476148227533,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.88733960511239,"endHours":9.301788256702787,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:50","startHours":6.504259858467607,"endHours":6.835818779739924,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:37","startHours":11.788480166245169,"endHours":12.617377469425964,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:20","end":"05:09","startHours":4.328404437618022,"endHours":5.157301740798816,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:57","end":"05:59","startHours":4.9500774150036175,"endHours":5.98619904397961,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:06","startHours":14.275172075787552,"endHours":15.104069378968346,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:13","end":"18:37","startHours":18.219658591691523,"endHours":18.619658591691522,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:25","end":"18:56","startHours":18.419658591691523,"endHours":18.937719406179518,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:10","end":"19:55","startHours":18.169658591691523,"endHours":19.919658591691523,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:37","startHours":23.78848016624517,"endHours":24.617377469425964,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:59","end":"07:32","startHours":5.98619904397961,"endHours":7.540381487443599,"quality":"inauspicious"},{"name":"Chala","start":"07:32","end":"09:06","startHours":7.540381487443599,"endHours":9.094563930907588,"quality":"neutral"},{"name":"Labha","start":"09:06","end":"10:39","startHours":9.094563930907588,"endHours":10.648746374371576,"quality":"auspicious"},{"name":"Amṛta","start":"10:39","end":"12:12","startHours":10.648746374371576,"endHours":12.202928817835566,"quality":"auspicious"},{"name":"Kāla","start":"12:12","end":"13:45","startHours":12.202928817835566,"endHours":13.757111261299556,"quality":"inauspicious"},{"name":"Śubha","start":"13:45","end":"15:19","startHours":13.757111261299556,"endHours":15.311293704763544,"quality":"auspicious"},{"name":"Roga","start":"15:19","end":"16:52","startHours":15.311293704763544,"endHours":16.865476148227533,"quality":"inauspicious"},{"name":"Udveg","start":"16:52","end":"18:25","startHours":16.865476148227533,"endHours":18.419658591691523,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:25","end":"19:52","startHours":18.419658591691523,"endHours":19.865476148227533,"quality":"auspicious"},{"name":"Roga","start":"19:52","end":"21:19","startHours":19.865476148227533,"endHours":21.311293704763543,"quality":"inauspicious"},{"name":"Udveg","start":"21:19","end":"22:45","startHours":21.311293704763543,"endHours":22.757111261299556,"quality":"inauspicious"},{"name":"Chala","start":"22:45","end":"00:12","startHours":22.757111261299556,"endHours":24.202928817835566,"quality":"neutral"},{"name":"Labha","start":"00:12","end":"01:39","startHours":24.202928817835566,"endHours":25.648746374371576,"quality":"auspicious"},{"name":"Amṛta","start":"01:39","end":"03:06","startHours":25.648746374371576,"endHours":27.09456393090759,"quality":"auspicious"},{"name":"Kāla","start":"03:06","end":"04:32","startHours":27.09456393090759,"endHours":28.5403814874436,"quality":"inauspicious"},{"name":"Śubha","start":"04:32","end":"05:59","startHours":28.5403814874436,"endHours":29.98619904397961,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:59","end":"06:59","startHours":5.98619904397961,"endHours":6.98619904397961,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:59","end":"07:59","startHours":6.98619904397961,"endHours":7.98619904397961,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:59","end":"08:59","startHours":7.98619904397961,"endHours":8.98619904397961,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:59","end":"09:59","startHours":8.98619904397961,"endHours":9.98619904397961,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:59","end":"10:59","startHours":9.98619904397961,"endHours":10.98619904397961,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:59","end":"11:59","startHours":10.98619904397961,"endHours":11.98619904397961,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:59","end":"12:59","startHours":11.98619904397961,"endHours":12.98619904397961,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:59","end":"13:59","startHours":12.98619904397961,"endHours":13.98619904397961,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:59","end":"14:59","startHours":13.98619904397961,"endHours":14.98619904397961,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:59","end":"15:59","startHours":14.98619904397961,"endHours":15.98619904397961,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:59","end":"16:59","startHours":15.98619904397961,"endHours":16.98619904397961,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:59","end":"17:59","startHours":16.98619904397961,"endHours":17.98619904397961,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:59","end":"18:59","startHours":17.98619904397961,"endHours":18.98619904397961,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:59","end":"19:59","startHours":18.98619904397961,"endHours":19.98619904397961,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:59","end":"20:59","startHours":19.98619904397961,"endHours":20.98619904397961,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:59","end":"21:59","startHours":20.98619904397961,"endHours":21.98619904397961,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:59","end":"22:59","startHours":21.98619904397961,"endHours":22.98619904397961,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:59","end":"23:59","startHours":22.98619904397961,"endHours":23.98619904397961,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:59","end":"00:59","startHours":23.98619904397961,"endHours":24.98619904397961,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:59","end":"01:59","startHours":24.98619904397961,"endHours":25.98619904397961,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:59","end":"02:59","startHours":25.98619904397961,"endHours":26.98619904397961,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:59","end":"03:59","startHours":26.98619904397961,"endHours":27.98619904397961,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:59","end":"04:59","startHours":27.98619904397961,"endHours":28.98619904397961,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:59","end":"05:59","startHours":28.98619904397961,"endHours":29.98619904397961,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":3.9364107220300544,"eotMinutes":4.753870929866006,"ayanamsa":22.1027}},"calendars":{"vikram_samvat":1931,"vikram_samvatsara":"Sarvajit","saka_samvat":1796,"saka_samvatsara":"Bhāva","bengali_samvat":1281,"malayalam_era":1050,"nanakshahi_year":405,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Tṛtīyā · Vikram 1931 Sarvajit · Śaka 1796 Bhāva"},"festivals":[{"id":"varaha-jayanti","name":"Varāha Jayantī","name_sanskrit":"वराह जयन्ती","tradition":"Vaishnava","associated_deity":"Varāha (3rd daśāvatāra of Krishna)","deity_avatara_index":12,"significance":"Varāha lifted Bhū-Devī from the cosmic ocean.","vrata":false,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":4,"sources":["Bhāgavata 3.13"]}],"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":[]},"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 September 13, 1874 CE · Ṛṣikeśa · Vidhyamitra","description":"September 13, 1874 CE for Ṛṣikeśa: Śukla Tṛtīyā, sūryodaya 05:59, sūryāsta 18:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1874-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1874-09-13","sa":"https://sa.vidhyamitra.com/city/rishikesh/1874-09-13","hi":"https://hi.vidhyamitra.com/city/rishikesh/1874-09-13","x-default":"https://vidhyamitra.com/city/rishikesh/1874-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:35:57.954Z","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":"2026-05-31T14:35:57.954Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:35:57.954Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}