{"id":"vidhyamitra:city-day:rishikesh:1915-03-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1915-03-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1915-03-13","date_display":"March 13, 1915 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":1915,"month":3,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2420569.770833,"kali_year":5016,"ahargana":1832104.2708,"sun":{"sidereal_longitude":329.0879,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":296.4632,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":327.3753,"elapsed_within_tithi_degrees":3.3753},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":296.4632,"elapsed_within_degrees":3.1299},"yoga":{"number":20,"name":"Śiva","sum_longitude":265.5512},"karana":{"half_tithi_index":54,"name":"Gara"},"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":1915,"month":3,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2420569.770833,"ahargana":1832104.2708,"kali_year":5016,"ayanamsa_lahiri":22.6683,"grahas":{"sun":{"sidereal_longitude":328.715192,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":295.794992,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false,"latitude":-0.7679},"mars":{"sidereal_longitude":311.277292,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":303.710292,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":317.104792,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":285.836592,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":63.61559199999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":306.299,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":126.299,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"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":1915,"month":3,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2420569.770833,"kali_year":5016,"ahargana":1832104.2708,"sun":{"sidereal_longitude":329.0879,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":296.4632,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":327.3753,"elapsed_within_tithi_degrees":3.3753},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":296.4632,"elapsed_within_degrees":3.1299},"yoga":{"number":20,"name":"Śiva","sum_longitude":265.5512},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.768,"elongation":32.625},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.768,"opposition_distance":147.375}},"eclipse_window_40days":[{"offset_days":-11,"type":"lunar","occurs":true,"moon_latitude":-1.036,"opposition_distance":2.135}]},"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":"06:31","sunsetLocal":"18:23","solarNoonLocal":"12:27","dayLengthHours":11.864364960026847,"dayLengthDisplay":"11 Hours 51 Mins 52 Secs","nightLengthDisplay":"12 Hours 08 Mins 08 Secs","moonriseLocal":"04:49","moonsetLocal":"15:42","rahuKala":{"name":"Rāhu Kāla","start":"09:29","end":"10:58","startHours":9.486367425473436,"endHours":10.969413045476792,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:56","end":"15:25","startHours":13.935504285483503,"endHours":15.41854990548686,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:31","end":"08:00","startHours":6.520276185466723,"endHours":8.00332180547008,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:41","startHours":9.288628009472987,"endHours":9.684106841473882,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:01","end":"07:20","startHours":7.014624725467842,"endHours":7.331007791068558,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:51","startHours":12.056979833479252,"endHours":12.847937497481043,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:56","end":"05:44","startHours":4.9383608574631435,"endHours":5.729318521464933,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:32","end":"06:31","startHours":5.531579105464486,"endHours":6.520276185466723,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:13","startHours":14.42985282548462,"endHours":15.220810489486409,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:11","end":"18:35","startHours":18.184641145493572,"endHours":18.58464114549357,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:23","end":"18:53","startHours":18.38464114549357,"endHours":18.87898968549469,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:08","end":"19:53","startHours":18.13464114549357,"endHours":19.88464114549357,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:51","startHours":24.056979833479254,"endHours":24.84793749748104,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:31","end":"08:00","startHours":6.520276185466723,"endHours":8.00332180547008,"quality":"inauspicious"},{"name":"Śubha","start":"08:00","end":"09:29","startHours":8.00332180547008,"endHours":9.486367425473436,"quality":"auspicious"},{"name":"Roga","start":"09:29","end":"10:58","startHours":9.486367425473436,"endHours":10.969413045476792,"quality":"inauspicious"},{"name":"Udveg","start":"10:58","end":"12:27","startHours":10.969413045476792,"endHours":12.452458665480147,"quality":"inauspicious"},{"name":"Chala","start":"12:27","end":"13:56","startHours":12.452458665480147,"endHours":13.935504285483503,"quality":"neutral"},{"name":"Labha","start":"13:56","end":"15:25","startHours":13.935504285483503,"endHours":15.41854990548686,"quality":"auspicious"},{"name":"Amṛta","start":"15:25","end":"16:54","startHours":15.41854990548686,"endHours":16.901595525490215,"quality":"auspicious"},{"name":"Kāla","start":"16:54","end":"18:23","startHours":16.901595525490215,"endHours":18.38464114549357,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:23","end":"19:54","startHours":18.38464114549357,"endHours":19.901595525490215,"quality":"auspicious"},{"name":"Amṛta","start":"19:54","end":"21:25","startHours":19.901595525490215,"endHours":21.41854990548686,"quality":"auspicious"},{"name":"Kāla","start":"21:25","end":"22:56","startHours":21.41854990548686,"endHours":22.935504285483503,"quality":"inauspicious"},{"name":"Śubha","start":"22:56","end":"00:27","startHours":22.935504285483503,"endHours":24.452458665480147,"quality":"auspicious"},{"name":"Roga","start":"00:27","end":"01:58","startHours":24.452458665480147,"endHours":25.96941304547679,"quality":"inauspicious"},{"name":"Udveg","start":"01:58","end":"03:29","startHours":25.96941304547679,"endHours":27.486367425473436,"quality":"inauspicious"},{"name":"Chala","start":"03:29","end":"05:00","startHours":27.486367425473436,"endHours":29.00332180547008,"quality":"neutral"},{"name":"Labha","start":"05:00","end":"06:31","startHours":29.00332180547008,"endHours":30.520276185466724,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:31","end":"07:31","startHours":6.520276185466723,"endHours":7.520276185466723,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:31","end":"08:31","startHours":7.520276185466723,"endHours":8.520276185466724,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:31","end":"09:31","startHours":8.520276185466724,"endHours":9.520276185466724,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:31","end":"10:31","startHours":9.520276185466724,"endHours":10.520276185466724,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:31","end":"11:31","startHours":10.520276185466724,"endHours":11.520276185466724,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:31","end":"12:31","startHours":11.520276185466724,"endHours":12.520276185466724,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:31","end":"13:31","startHours":12.520276185466724,"endHours":13.520276185466724,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:31","end":"14:31","startHours":13.520276185466724,"endHours":14.520276185466724,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:31","end":"15:31","startHours":14.520276185466724,"endHours":15.520276185466724,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:31","end":"16:31","startHours":15.520276185466724,"endHours":16.520276185466724,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:31","end":"17:31","startHours":16.520276185466724,"endHours":17.520276185466724,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:31","end":"18:31","startHours":17.520276185466724,"endHours":18.520276185466724,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:31","end":"19:31","startHours":18.520276185466724,"endHours":19.520276185466724,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:31","end":"20:31","startHours":19.520276185466724,"endHours":20.520276185466724,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:31","end":"21:31","startHours":20.520276185466724,"endHours":21.520276185466724,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:31","end":"22:31","startHours":21.520276185466724,"endHours":22.520276185466724,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:31","end":"23:31","startHours":22.520276185466724,"endHours":23.520276185466724,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:31","end":"00:31","startHours":23.520276185466724,"endHours":24.520276185466724,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:31","end":"01:31","startHours":24.520276185466724,"endHours":25.520276185466724,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:31","end":"02:31","startHours":25.520276185466724,"endHours":26.520276185466724,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:31","end":"03:31","startHours":26.520276185466724,"endHours":27.520276185466724,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:31","end":"04:31","startHours":27.520276185466724,"endHours":28.520276185466724,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:31","end":"05:31","startHours":28.520276185466724,"endHours":29.520276185466724,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:31","end":"06:31","startHours":29.520276185466724,"endHours":30.520276185466724,"planetary_lord":"Mercury"}],"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-3.4161854583689983,"eotMinutes":-10.217919928808794,"ayanamsa":22.6683}},"calendars":{"vikram_samvat":1972,"vikram_samvatsara":"Vibhava","saka_samvat":1837,"saka_samvatsara":"Rākṣasa","bengali_samvat":1322,"malayalam_era":1091,"nanakshahi_year":446,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Trayodaśī · Vikram 1972 Vibhava · Śaka 1837 Rākṣasa"},"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":"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 March 13, 1915 CE · Ṛṣikeśa · Vidhyamitra","description":"March 13, 1915 CE for Ṛṣikeśa: Kṛṣṇa Trayodaśī, sūryodaya 06:31, sūryāsta 18:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1915-03-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1915-03-13","sa":"https://sa.vidhyamitra.com/city/rishikesh/1915-03-13","hi":"https://hi.vidhyamitra.com/city/rishikesh/1915-03-13","x-default":"https://vidhyamitra.com/city/rishikesh/1915-03-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:21:23.853Z","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":"2026-05-31T17:21:23.853Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:21:23.853Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}