{"id":"vidhyamitra:city-day:rishikesh:1915-02-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1915-02-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1915-02-15","date_display":"February 15, 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":2,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2420543.770833,"kali_year":5016,"ahargana":1832078.2708,"sun":{"sidereal_longitude":302.9094,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":315.1583,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":12.2489,"elapsed_within_tithi_degrees":0.2489},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":315.1583,"elapsed_within_degrees":8.4916},"yoga":{"number":20,"name":"Śiva","sum_longitude":258.0676},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2420543.770833,"ahargana":1832078.2708,"kali_year":5016,"ayanamsa_lahiri":22.6673,"grahas":{"sun":{"sidereal_longitude":302.611485,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":312.861185,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false,"latitude":0.5853},"mars":{"sidereal_longitude":290.85958500000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":316.240085,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":310.866985,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":257.102585,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":63.56158499999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":307.6766,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":127.6766,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":1915,"month":2,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2420543.770833,"kali_year":5016,"ahargana":1832078.2708,"sun":{"sidereal_longitude":302.9094,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":315.1583,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":12.2489,"elapsed_within_tithi_degrees":0.2489},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":315.1583,"elapsed_within_degrees":8.4916},"yoga":{"number":20,"name":"Śiva","sum_longitude":258.0676},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.585,"elongation":12.249},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.585,"opposition_distance":167.751}},"eclipse_window_40days":[{"offset_days":-1,"type":"solar","occurs":true,"moon_latitude":-0.463,"elongation":0.08},{"offset_days":15,"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":"06:58","sunsetLocal":"18:05","solarNoonLocal":"12:32","dayLengthHours":11.100243533605521,"dayLengthDisplay":"11 Hours 06 Mins 01 Secs","nightLengthDisplay":"12 Hours 53 Mins 59 Secs","moonriseLocal":"07:32","moonsetLocal":"18:53","rahuKala":{"name":"Rāhu Kāla","start":"08:22","end":"09:45","startHours":8.362419692354596,"endHours":9.749950134055286,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:08","end":"12:32","startHours":11.137480575755976,"endHours":12.525011017456666,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:55","end":"15:18","startHours":13.912541459157357,"endHours":15.300071900858047,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:56","startHours":9.564946075161862,"endHours":9.934954192948712,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:26","end":"07:44","startHours":7.43739939788747,"endHours":7.73340589211695,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.155002899669816,"endHours":12.895019135243517,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:30","end":"06:14","startHours":5.494856779506504,"endHours":6.234873015080205,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:03","end":"06:58","startHours":6.04986895618678,"endHours":6.974889250653907,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:07","startHours":14.375051606390922,"endHours":15.115067841964624,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:53","end":"18:17","startHours":17.875132784259428,"endHours":18.275132784259426,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:05","end":"18:32","startHours":18.075132784259427,"endHours":18.53764293149299,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:50","end":"19:35","startHours":17.825132784259427,"endHours":19.575132784259427,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.155002899669817,"endHours":24.895019135243516,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:58","end":"08:22","startHours":6.974889250653907,"endHours":8.362419692354596,"quality":"auspicious"},{"name":"Kāla","start":"08:22","end":"09:45","startHours":8.362419692354596,"endHours":9.749950134055286,"quality":"inauspicious"},{"name":"Śubha","start":"09:45","end":"11:08","startHours":9.749950134055286,"endHours":11.137480575755976,"quality":"auspicious"},{"name":"Roga","start":"11:08","end":"12:32","startHours":11.137480575755976,"endHours":12.525011017456666,"quality":"inauspicious"},{"name":"Udveg","start":"12:32","end":"13:55","startHours":12.525011017456666,"endHours":13.912541459157357,"quality":"inauspicious"},{"name":"Chala","start":"13:55","end":"15:18","startHours":13.912541459157357,"endHours":15.300071900858047,"quality":"neutral"},{"name":"Labha","start":"15:18","end":"16:41","startHours":15.300071900858047,"endHours":16.687602342558737,"quality":"auspicious"},{"name":"Amṛta","start":"16:41","end":"18:05","startHours":16.687602342558737,"endHours":18.075132784259427,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:05","end":"19:41","startHours":18.075132784259427,"endHours":19.687602342558737,"quality":"neutral"},{"name":"Labha","start":"19:41","end":"21:18","startHours":19.687602342558737,"endHours":21.300071900858047,"quality":"auspicious"},{"name":"Amṛta","start":"21:18","end":"22:55","startHours":21.300071900858047,"endHours":22.912541459157357,"quality":"auspicious"},{"name":"Kāla","start":"22:55","end":"00:32","startHours":22.912541459157357,"endHours":24.525011017456666,"quality":"inauspicious"},{"name":"Śubha","start":"00:32","end":"02:08","startHours":24.525011017456666,"endHours":26.137480575755976,"quality":"auspicious"},{"name":"Roga","start":"02:08","end":"03:45","startHours":26.137480575755976,"endHours":27.749950134055286,"quality":"inauspicious"},{"name":"Udveg","start":"03:45","end":"05:22","startHours":27.749950134055286,"endHours":29.362419692354596,"quality":"inauspicious"},{"name":"Chala","start":"05:22","end":"06:58","startHours":29.362419692354596,"endHours":30.974889250653906,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:58","end":"07:58","startHours":6.974889250653907,"endHours":7.974889250653907,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:58","end":"08:58","startHours":7.974889250653907,"endHours":8.974889250653906,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:58","end":"09:58","startHours":8.974889250653906,"endHours":9.974889250653906,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:58","end":"10:58","startHours":9.974889250653906,"endHours":10.974889250653906,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:58","end":"11:58","startHours":10.974889250653906,"endHours":11.974889250653906,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:58","end":"12:58","startHours":11.974889250653906,"endHours":12.974889250653906,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:58","end":"13:58","startHours":12.974889250653906,"endHours":13.974889250653906,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:58","end":"14:58","startHours":13.974889250653906,"endHours":14.974889250653906,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:58","end":"15:58","startHours":14.974889250653906,"endHours":15.974889250653906,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:58","end":"16:58","startHours":15.974889250653906,"endHours":16.974889250653906,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:58","end":"17:58","startHours":16.974889250653906,"endHours":17.974889250653906,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:58","end":"18:58","startHours":17.974889250653906,"endHours":18.974889250653906,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:58","end":"19:58","startHours":18.974889250653906,"endHours":19.974889250653906,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:58","end":"20:58","startHours":19.974889250653906,"endHours":20.974889250653906,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:58","end":"21:58","startHours":20.974889250653906,"endHours":21.974889250653906,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:58","end":"22:58","startHours":21.974889250653906,"endHours":22.974889250653906,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:58","end":"23:58","startHours":22.974889250653906,"endHours":23.974889250653906,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:58","end":"00:58","startHours":23.974889250653906,"endHours":24.974889250653906,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:58","end":"01:58","startHours":24.974889250653906,"endHours":25.974889250653906,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:58","end":"02:58","startHours":25.974889250653906,"endHours":26.974889250653906,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:58","end":"03:58","startHours":26.974889250653906,"endHours":27.974889250653906,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:58","end":"04:58","startHours":27.974889250653906,"endHours":28.974889250653906,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:58","end":"05:58","startHours":28.974889250653906,"endHours":29.974889250653906,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:58","end":"06:58","startHours":29.974889250653906,"endHours":30.974889250653906,"planetary_lord":"Venus"}],"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","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-13.093570288482148,"eotMinutes":-14.571061047399978,"ayanamsa":22.6673}},"calendars":{"vikram_samvat":1972,"vikram_samvatsara":"Vibhava","saka_samvat":1837,"saka_samvatsara":"Rākṣasa","bengali_samvat":1322,"malayalam_era":1091,"nanakshahi_year":446,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","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":"Śiśira (Winter)","display_summary":"Phālguna Śukla Dvitīyā · Vikram 1972 Vibhava · Śaka 1837 Rākṣasa"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 February 15, 1915 CE · Ṛṣikeśa · Vidhyamitra","description":"February 15, 1915 CE for Ṛṣikeśa: Śukla Dvitīyā, sūryodaya 06:58, sūryāsta 18:05.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1915-02-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1915-02-15","sa":"https://sa.vidhyamitra.com/city/rishikesh/1915-02-15","hi":"https://hi.vidhyamitra.com/city/rishikesh/1915-02-15","x-default":"https://vidhyamitra.com/city/rishikesh/1915-02-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T13:12:38.760Z","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":"2026-06-01T13:12:38.760Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T13:12:38.760Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}