{"id":"vidhyamitra:city-day:rishikesh:1911-01-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1911-01-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1911-01-15","date_display":"January 15, 1911 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":1911,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419051.770833,"kali_year":5012,"ahargana":1830586.2708,"sun":{"sidereal_longitude":271.2723,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":94.1185,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.8462,"elapsed_within_tithi_degrees":2.8462},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":94.1185,"elapsed_within_degrees":0.7851},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":5.3907},"karana":{"half_tithi_index":30,"name":"Bālava"},"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":1911,"month":1,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2419051.770833,"ahargana":1830586.2708,"kali_year":5012,"ayanamsa_lahiri":22.6103,"grahas":{"sun":{"sidereal_longitude":271.17279099999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":92.58829100000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":4.1535},"mars":{"sidereal_longitude":236.55089099999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":261.981991,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":200.309391,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":284.275491,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":8.275191000000007,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":26.73,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":206.73,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":1911,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419051.770833,"kali_year":5012,"ahargana":1830586.2708,"sun":{"sidereal_longitude":271.2723,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":94.1185,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":182.8462,"elapsed_within_tithi_degrees":2.8462},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":94.1185,"elapsed_within_degrees":0.7851},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":5.3907},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.153,"elongation":177.154},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.153,"opposition_distance":2.846}},"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":"07:14","sunsetLocal":"17:38","solarNoonLocal":"12:26","dayLengthHours":10.39653738557552,"dayLengthDisplay":"10 Hours 23 Mins 48 Secs","nightLengthDisplay":"13 Hours 36 Mins 12 Secs","moonriseLocal":"17:37","moonsetLocal":"07:27","rahuKala":{"name":"Rāhu Kāla","start":"16:20","end":"17:38","startHours":16.336694010359707,"endHours":17.63626118355665,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:26","end":"13:44","startHours":12.437992490768888,"endHours":13.737559663965829,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:02","end":"16:20","startHours":15.037126837162768,"endHours":16.336694010359707,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.665582521282083,"endHours":10.012133767467933,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:57","startHours":7.672912855713442,"endHours":7.9501538526621225,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:47","startHours":12.091441244583038,"endHours":12.784543736954738,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:33","startHours":5.853518813237725,"endHours":6.546621305609427,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:22","end":"07:14","startHours":6.373345682516502,"endHours":7.239723797981128,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:52","startHours":14.170748721698143,"endHours":14.863851214069845,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:26","end":"17:50","startHours":17.43626118355665,"endHours":17.836261183556648,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:38","end":"18:04","startHours":17.63626118355665,"endHours":18.069450241288962,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:23","end":"19:08","startHours":17.38626118355665,"endHours":19.13626118355665,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:47","startHours":24.091441244583038,"endHours":24.78454373695474,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:14","end":"08:32","startHours":7.239723797981128,"endHours":8.539290971178069,"quality":"inauspicious"},{"name":"Chala","start":"08:32","end":"09:50","startHours":8.539290971178069,"endHours":9.838858144375008,"quality":"neutral"},{"name":"Labha","start":"09:50","end":"11:08","startHours":9.838858144375008,"endHours":11.138425317571947,"quality":"auspicious"},{"name":"Amṛta","start":"11:08","end":"12:26","startHours":11.138425317571947,"endHours":12.437992490768888,"quality":"auspicious"},{"name":"Kāla","start":"12:26","end":"13:44","startHours":12.437992490768888,"endHours":13.737559663965829,"quality":"inauspicious"},{"name":"Śubha","start":"13:44","end":"15:02","startHours":13.737559663965829,"endHours":15.037126837162768,"quality":"auspicious"},{"name":"Roga","start":"15:02","end":"16:20","startHours":15.037126837162768,"endHours":16.336694010359707,"quality":"inauspicious"},{"name":"Udveg","start":"16:20","end":"17:38","startHours":16.336694010359707,"endHours":17.63626118355665,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:38","end":"19:20","startHours":17.63626118355665,"endHours":19.336694010359707,"quality":"auspicious"},{"name":"Roga","start":"19:20","end":"21:02","startHours":19.336694010359707,"endHours":21.037126837162766,"quality":"inauspicious"},{"name":"Udveg","start":"21:02","end":"22:44","startHours":21.037126837162766,"endHours":22.73755966396583,"quality":"inauspicious"},{"name":"Chala","start":"22:44","end":"00:26","startHours":22.73755966396583,"endHours":24.437992490768888,"quality":"neutral"},{"name":"Labha","start":"00:26","end":"02:08","startHours":24.437992490768888,"endHours":26.138425317571947,"quality":"auspicious"},{"name":"Amṛta","start":"02:08","end":"03:50","startHours":26.138425317571947,"endHours":27.83885814437501,"quality":"auspicious"},{"name":"Kāla","start":"03:50","end":"05:32","startHours":27.83885814437501,"endHours":29.53929097117807,"quality":"inauspicious"},{"name":"Śubha","start":"05:32","end":"07:14","startHours":29.53929097117807,"endHours":31.239723797981128,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.239723797981128,"endHours":8.239723797981128,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.239723797981128,"endHours":9.239723797981128,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.239723797981128,"endHours":10.239723797981128,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.239723797981128,"endHours":11.239723797981128,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.239723797981128,"endHours":12.239723797981128,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.239723797981128,"endHours":13.239723797981128,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.239723797981128,"endHours":14.239723797981128,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.239723797981128,"endHours":15.239723797981128,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.239723797981128,"endHours":16.239723797981128,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.239723797981128,"endHours":17.239723797981128,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.239723797981128,"endHours":18.239723797981128,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.239723797981128,"endHours":19.239723797981128,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.239723797981128,"endHours":20.239723797981128,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.239723797981128,"endHours":21.239723797981128,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.239723797981128,"endHours":22.239723797981128,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.239723797981128,"endHours":23.239723797981128,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.239723797981128,"endHours":24.239723797981128,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.239723797981128,"endHours":25.239723797981128,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.239723797981128,"endHours":26.239723797981128,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.239723797981128,"endHours":27.239723797981128,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.239723797981128,"endHours":28.239723797981128,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.239723797981128,"endHours":29.239723797981128,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.239723797981128,"endHours":30.239723797981128,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.239723797981128,"endHours":31.239723797981128,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.343378775342874,"eotMinutes":-9.349949446133257,"ayanamsa":22.6103}},"calendars":{"vikram_samvat":1968,"vikram_samvatsara":"Raktākṣī","saka_samvat":1833,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1318,"malayalam_era":1087,"nanakshahi_year":442,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Pratipada · Vikram 1968 Raktākṣī · Śaka 1833 Virodhakṛt"},"festivals":[],"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 January 15, 1911 CE · Ṛṣikeśa · Vidhyamitra","description":"January 15, 1911 CE for Ṛṣikeśa: Kṛṣṇa Pratipada, sūryodaya 07:14, sūryāsta 17:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1911-01-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1911-01-15","sa":"https://sa.vidhyamitra.com/city/rishikesh/1911-01-15","hi":"https://hi.vidhyamitra.com/city/rishikesh/1911-01-15","x-default":"https://vidhyamitra.com/city/rishikesh/1911-01-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:33:53.886Z","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":"2026-05-31T02:33:53.886Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:33:53.886Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}