{"id":"vidhyamitra:city-day:rishikesh:2005-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2005-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2005-02-18","date_display":"February 18, 2005 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":2005,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453419.770833,"kali_year":5106,"ahargana":1864954.2708,"sun":{"sidereal_longitude":305.6594,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":55.7969,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":110.1375,"elapsed_within_tithi_degrees":2.1375},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":55.7969,"elapsed_within_degrees":2.4636},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":1.4563},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2005,"month":2,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453419.770833,"ahargana":1864954.2708,"kali_year":5106,"ayanamsa_lahiri":23.9247,"grahas":{"sun":{"sidereal_longitude":305.55798000000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":57.99527999999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false,"latitude":3.4482},"mars":{"sidereal_longitude":254.01117999999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":308.37757999999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":174.88807999999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":295.29728,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":87.24617999999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":5.7479,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":185.7479,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"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":2005,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453419.770833,"kali_year":5106,"ahargana":1864954.2708,"sun":{"sidereal_longitude":305.6594,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":55.7969,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":110.1375,"elapsed_within_tithi_degrees":2.1375},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":55.7969,"elapsed_within_degrees":2.4636},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":1.4563},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.448,"elongation":110.137},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.448,"opposition_distance":69.863}},"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":"06:55","sunsetLocal":"18:08","solarNoonLocal":"12:31","dayLengthHours":11.216947912947784,"dayLengthDisplay":"11 Hours 13 Mins 01 Secs","nightLengthDisplay":"12 Hours 46 Mins 59 Secs","moonriseLocal":"13:01","moonsetLocal":"03:02","rahuKala":{"name":"Rāhu Kāla","start":"11:07","end":"12:31","startHours":11.120622781088198,"endHours":12.522741270206671,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:20","end":"16:44","startHours":15.326978248443616,"endHours":16.729096737562088,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:19","end":"09:43","startHours":8.316385802851253,"endHours":9.718504291969726,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:54","startHours":9.531555160087262,"endHours":9.905453423852189,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:23","end":"07:41","startHours":7.381640143438936,"endHours":7.680758754450877,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.148843006441744,"endHours":12.896639533971598,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:25","end":"06:10","startHours":5.418674258673074,"endHours":6.166470786202927,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:59","end":"06:55","startHours":5.979521654320464,"endHours":6.914267313732779,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:08","startHours":14.392232589031302,"endHours":15.140029116561154,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.931215226680564,"endHours":18.331215226680563,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:36","startHours":18.131215226680563,"endHours":18.59858805638672,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.881215226680563,"endHours":19.631215226680563,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.148843006441748,"endHours":24.896639533971598,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:55","end":"08:19","startHours":6.914267313732779,"endHours":8.316385802851253,"quality":"neutral"},{"name":"Labha","start":"08:19","end":"09:43","startHours":8.316385802851253,"endHours":9.718504291969726,"quality":"auspicious"},{"name":"Amṛta","start":"09:43","end":"11:07","startHours":9.718504291969726,"endHours":11.120622781088198,"quality":"auspicious"},{"name":"Kāla","start":"11:07","end":"12:31","startHours":11.120622781088198,"endHours":12.522741270206671,"quality":"inauspicious"},{"name":"Śubha","start":"12:31","end":"13:55","startHours":12.522741270206671,"endHours":13.924859759325145,"quality":"auspicious"},{"name":"Roga","start":"13:55","end":"15:20","startHours":13.924859759325145,"endHours":15.326978248443616,"quality":"inauspicious"},{"name":"Udveg","start":"15:20","end":"16:44","startHours":15.326978248443616,"endHours":16.729096737562088,"quality":"inauspicious"},{"name":"Chala","start":"16:44","end":"18:08","startHours":16.729096737562088,"endHours":18.131215226680563,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:08","end":"19:44","startHours":18.131215226680563,"endHours":19.72909673756209,"quality":"inauspicious"},{"name":"Udveg","start":"19:44","end":"21:20","startHours":19.72909673756209,"endHours":21.326978248443616,"quality":"inauspicious"},{"name":"Chala","start":"21:20","end":"22:55","startHours":21.326978248443616,"endHours":22.924859759325145,"quality":"neutral"},{"name":"Labha","start":"22:55","end":"00:31","startHours":22.924859759325145,"endHours":24.522741270206673,"quality":"auspicious"},{"name":"Amṛta","start":"00:31","end":"02:07","startHours":24.522741270206673,"endHours":26.120622781088198,"quality":"auspicious"},{"name":"Kāla","start":"02:07","end":"03:43","startHours":26.120622781088198,"endHours":27.718504291969726,"quality":"inauspicious"},{"name":"Śubha","start":"03:43","end":"05:19","startHours":27.718504291969726,"endHours":29.31638580285125,"quality":"auspicious"},{"name":"Roga","start":"05:19","end":"06:55","startHours":29.31638580285125,"endHours":30.91426731373278,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:55","end":"07:55","startHours":6.914267313732779,"endHours":7.914267313732779,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:55","end":"08:55","startHours":7.914267313732779,"endHours":8.914267313732779,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:55","end":"09:55","startHours":8.914267313732779,"endHours":9.914267313732779,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:55","end":"10:55","startHours":9.914267313732779,"endHours":10.914267313732779,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:55","end":"11:55","startHours":10.914267313732779,"endHours":11.914267313732779,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:55","end":"12:55","startHours":11.914267313732779,"endHours":12.914267313732779,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:55","end":"13:55","startHours":12.914267313732779,"endHours":13.914267313732779,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:55","end":"14:55","startHours":13.914267313732779,"endHours":14.914267313732779,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:55","end":"15:55","startHours":14.914267313732779,"endHours":15.914267313732779,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:55","end":"16:55","startHours":15.914267313732779,"endHours":16.91426731373278,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:55","end":"17:55","startHours":16.91426731373278,"endHours":17.91426731373278,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:55","end":"18:55","startHours":17.91426731373278,"endHours":18.91426731373278,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:55","end":"19:55","startHours":18.91426731373278,"endHours":19.91426731373278,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:55","end":"20:55","startHours":19.91426731373278,"endHours":20.91426731373278,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:55","end":"21:55","startHours":20.91426731373278,"endHours":21.91426731373278,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:55","end":"22:55","startHours":21.91426731373278,"endHours":22.91426731373278,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:55","end":"23:55","startHours":22.91426731373278,"endHours":23.91426731373278,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:55","end":"00:55","startHours":23.91426731373278,"endHours":24.91426731373278,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:55","end":"01:55","startHours":24.91426731373278,"endHours":25.91426731373278,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:55","end":"02:55","startHours":25.91426731373278,"endHours":26.91426731373278,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:55","end":"03:55","startHours":26.91426731373278,"endHours":27.91426731373278,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:55","end":"04:55","startHours":27.91426731373278,"endHours":28.91426731373278,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:55","end":"05:55","startHours":28.91426731373278,"endHours":29.91426731373278,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:55","end":"06:55","startHours":29.91426731373278,"endHours":30.91426731373278,"planetary_lord":"Mars"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-11.652069909183595,"eotMinutes":-14.434876212400278,"ayanamsa":23.9247}},"calendars":{"vikram_samvat":2062,"vikram_samvatsara":"Vilambī","saka_samvat":1927,"saka_samvatsara":"Pārthiva","bengali_samvat":1412,"malayalam_era":1181,"nanakshahi_year":536,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Daśamī · Vikram 2062 Vilambī · Śaka 1927 Pārthiva"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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, 2005 CE · Ṛṣikeśa · Vidhyamitra","description":"February 18, 2005 CE for Ṛṣikeśa: Śukla Daśamī, sūryodaya 06:55, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2005-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2005-02-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/2005-02-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/2005-02-18","x-default":"https://vidhyamitra.com/city/rishikesh/2005-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T18:30:16.194Z","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":"2026-05-16T18:30:16.194Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T18:30:16.194Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}