{"id":"vidhyamitra:city-day:rishikesh:1956-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1956-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1956-02-18","date_display":"February 18, 1956 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":1956,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2435521.770833,"kali_year":5057,"ahargana":1847056.2708,"sun":{"sidereal_longitude":305.3342,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":20.3809,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":75.0467,"elapsed_within_tithi_degrees":3.0467},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3,"moon_longitude":20.3809,"elapsed_within_degrees":7.0475},"yoga":{"number":25,"name":"Brahma","sum_longitude":325.715},"karana":{"half_tithi_index":12,"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":1956,"month":2,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2435521.770833,"ahargana":1847056.2708,"kali_year":5057,"ayanamsa_lahiri":23.2402,"grahas":{"sun":{"sidereal_longitude":305.1208160000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":18.005016000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false,"latitude":2.4943},"mars":{"sidereal_longitude":240.31891599999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":279.41591600000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":122.905416,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":345.373516,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":219.48831599999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":234.0701,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":54.0701,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":1956,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2435521.770833,"kali_year":5057,"ahargana":1847056.2708,"sun":{"sidereal_longitude":305.3342,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":20.3809,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":75.0467,"elapsed_within_tithi_degrees":3.0467},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3,"moon_longitude":20.3809,"elapsed_within_degrees":7.0475},"yoga":{"number":25,"name":"Brahma","sum_longitude":325.715},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.494,"elongation":75.047},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.494,"opposition_distance":104.953}},"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":"06:56","sunsetLocal":"18:07","solarNoonLocal":"12:31","dayLengthHours":11.18547801035112,"dayLengthDisplay":"11 Hours 11 Mins 08 Secs","nightLengthDisplay":"12 Hours 48 Mins 52 Secs","moonriseLocal":"10:44","moonsetLocal":"00:02","rahuKala":{"name":"Rāhu Kāla","start":"09:44","end":"11:07","startHours":9.726371767618891,"endHours":11.124556518912783,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:55","end":"15:19","startHours":13.920926021500563,"endHours":15.319110772794453,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:56","end":"08:20","startHours":6.930002265031112,"endHours":8.328187016325002,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:55","startHours":9.53994713411304,"endHours":9.912796401124744,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:42","startHours":7.396063848795742,"endHours":7.694343262405106,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.149892003194967,"endHours":12.895590537218375,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:11","startHours":5.4386051969842955,"endHours":6.184303731007704,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:00","end":"06:56","startHours":5.997879097501851,"endHours":6.930002265031112,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:08","startHours":14.386987605265192,"endHours":15.1326861392886,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:55","end":"18:19","startHours":17.915480275382233,"endHours":18.31548027538223,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:07","end":"18:35","startHours":18.115480275382232,"endHours":18.581541859146864,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:52","end":"19:37","startHours":17.865480275382232,"endHours":19.615480275382232,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.149892003194967,"endHours":24.89559053721838,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:56","end":"08:20","startHours":6.930002265031112,"endHours":8.328187016325002,"quality":"inauspicious"},{"name":"Śubha","start":"08:20","end":"09:44","startHours":8.328187016325002,"endHours":9.726371767618891,"quality":"auspicious"},{"name":"Roga","start":"09:44","end":"11:07","startHours":9.726371767618891,"endHours":11.124556518912783,"quality":"inauspicious"},{"name":"Udveg","start":"11:07","end":"12:31","startHours":11.124556518912783,"endHours":12.522741270206673,"quality":"inauspicious"},{"name":"Chala","start":"12:31","end":"13:55","startHours":12.522741270206673,"endHours":13.920926021500563,"quality":"neutral"},{"name":"Labha","start":"13:55","end":"15:19","startHours":13.920926021500563,"endHours":15.319110772794453,"quality":"auspicious"},{"name":"Amṛta","start":"15:19","end":"16:43","startHours":15.319110772794453,"endHours":16.717295524088343,"quality":"auspicious"},{"name":"Kāla","start":"16:43","end":"18:07","startHours":16.717295524088343,"endHours":18.115480275382232,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:07","end":"19:43","startHours":18.115480275382232,"endHours":19.717295524088343,"quality":"auspicious"},{"name":"Amṛta","start":"19:43","end":"21:19","startHours":19.717295524088343,"endHours":21.319110772794453,"quality":"auspicious"},{"name":"Kāla","start":"21:19","end":"22:55","startHours":21.319110772794453,"endHours":22.920926021500563,"quality":"inauspicious"},{"name":"Śubha","start":"22:55","end":"00:31","startHours":22.920926021500563,"endHours":24.522741270206673,"quality":"auspicious"},{"name":"Roga","start":"00:31","end":"02:07","startHours":24.522741270206673,"endHours":26.124556518912783,"quality":"inauspicious"},{"name":"Udveg","start":"02:07","end":"03:44","startHours":26.124556518912783,"endHours":27.726371767618893,"quality":"inauspicious"},{"name":"Chala","start":"03:44","end":"05:20","startHours":27.726371767618893,"endHours":29.328187016325003,"quality":"neutral"},{"name":"Labha","start":"05:20","end":"06:56","startHours":29.328187016325003,"endHours":30.930002265031113,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:56","end":"07:56","startHours":6.930002265031112,"endHours":7.930002265031112,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:56","end":"08:56","startHours":7.930002265031112,"endHours":8.930002265031112,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:56","end":"09:56","startHours":8.930002265031112,"endHours":9.930002265031112,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:56","end":"10:56","startHours":9.930002265031112,"endHours":10.930002265031112,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:56","end":"11:56","startHours":10.930002265031112,"endHours":11.930002265031112,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:56","end":"12:56","startHours":11.930002265031112,"endHours":12.930002265031112,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:56","end":"13:56","startHours":12.930002265031112,"endHours":13.930002265031112,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:56","end":"14:56","startHours":13.930002265031112,"endHours":14.930002265031112,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:56","end":"15:56","startHours":14.930002265031112,"endHours":15.930002265031112,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:56","end":"16:56","startHours":15.930002265031112,"endHours":16.930002265031113,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:56","end":"17:56","startHours":16.930002265031113,"endHours":17.930002265031113,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:56","end":"18:56","startHours":17.930002265031113,"endHours":18.930002265031113,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:56","end":"19:56","startHours":18.930002265031113,"endHours":19.930002265031113,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:56","end":"20:56","startHours":19.930002265031113,"endHours":20.930002265031113,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:56","end":"21:56","startHours":20.930002265031113,"endHours":21.930002265031113,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:56","end":"22:56","startHours":21.930002265031113,"endHours":22.930002265031113,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:56","end":"23:56","startHours":22.930002265031113,"endHours":23.930002265031113,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:56","end":"00:56","startHours":23.930002265031113,"endHours":24.930002265031113,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:56","end":"01:56","startHours":24.930002265031113,"endHours":25.930002265031113,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:56","end":"02:56","startHours":25.930002265031113,"endHours":26.930002265031113,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:56","end":"03:56","startHours":26.930002265031113,"endHours":27.930002265031113,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:56","end":"04:56","startHours":27.930002265031113,"endHours":28.930002265031113,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:56","end":"05:56","startHours":28.930002265031113,"endHours":29.930002265031113,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:56","end":"06:56","startHours":29.930002265031113,"endHours":30.930002265031113,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.042468261079819,"eotMinutes":-14.434876212400278,"ayanamsa":23.2402}},"calendars":{"vikram_samvat":2013,"vikram_samvatsara":"Saumya","saka_samvat":1878,"saka_samvatsara":"Durmukhi","bengali_samvat":1363,"malayalam_era":1132,"nanakshahi_year":487,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","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":"Māgha Śukla Saptamī · Vikram 2013 Saumya · Śaka 1878 Durmukhi"},"festivals":[],"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 February 18, 1956 CE · Ṛṣikeśa · Vidhyamitra","description":"February 18, 1956 CE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 06:56, sūryāsta 18:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1956-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1956-02-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/1956-02-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/1956-02-18","x-default":"https://vidhyamitra.com/city/rishikesh/1956-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T22:08:26.446Z","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":"2026-05-31T22:08:26.446Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T22:08:26.446Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}