{"id":"vidhyamitra:city-day:rishikesh:2099-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2099-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2099-02-18","date_display":"February 18, 2099 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":2099,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2487752.770833,"kali_year":5200,"ahargana":1899287.2708,"sun":{"sidereal_longitude":304.3182,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":280.5049,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.1866,"elapsed_within_tithi_degrees":0.1866},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":280.5049,"elapsed_within_degrees":0.5049},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":224.8231},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2099,"month":2,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2487752.770833,"ahargana":1899287.2708,"kali_year":5200,"ayanamsa_lahiri":25.2378,"grahas":{"sun":{"sidereal_longitude":304.440607,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":281.2228070000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":-4.1139},"mars":{"sidereal_longitude":246.22470699999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":315.274307,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":143.850707,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":264.646307,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":167.19760700000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":346.6204,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":166.6204,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":2099,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2487752.770833,"kali_year":5200,"ahargana":1899287.2708,"sun":{"sidereal_longitude":304.3182,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":280.5049,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.1866,"elapsed_within_tithi_degrees":0.1866},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":280.5049,"elapsed_within_degrees":0.5049},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":224.8231},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.114,"elongation":23.813},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.114,"opposition_distance":156.187}},"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":11.222462518077382,"dayLengthDisplay":"11 Hours 13 Mins 21 Secs","nightLengthDisplay":"12 Hours 46 Mins 39 Secs","moonriseLocal":"05:41","moonsetLocal":"16:16","rahuKala":{"name":"Rāhu Kāla","start":"12:31","end":"13:56","startHours":12.52274127020667,"endHours":13.925549084966342,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:19","end":"09:43","startHours":8.314317825927652,"endHours":9.717125640687325,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:07","end":"12:31","startHours":11.119933455446997,"endHours":12.52274127020667,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:54","startHours":9.530084598719368,"endHours":9.904166682655282,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:23","end":"07:41","startHours":7.37911261608787,"endHours":7.6783782832366,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:54","startHours":12.14865918627076,"endHours":12.896823354142583,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:25","end":"06:10","startHours":5.4151816754243285,"endHours":6.163345843296153,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:59","end":"06:55","startHours":5.976304801328197,"endHours":6.911510011167979,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:08","startHours":14.393151689886235,"endHours":15.14131585775806,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.933972529245363,"endHours":18.33397252924536,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:36","startHours":18.133972529245362,"endHours":18.60157513416525,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.883972529245362,"endHours":19.633972529245362,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:54","startHours":24.14865918627076,"endHours":24.896823354142587,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:55","end":"08:19","startHours":6.911510011167979,"endHours":8.314317825927652,"quality":"auspicious"},{"name":"Amṛta","start":"08:19","end":"09:43","startHours":8.314317825927652,"endHours":9.717125640687325,"quality":"auspicious"},{"name":"Kāla","start":"09:43","end":"11:07","startHours":9.717125640687325,"endHours":11.119933455446997,"quality":"inauspicious"},{"name":"Śubha","start":"11:07","end":"12:31","startHours":11.119933455446997,"endHours":12.52274127020667,"quality":"auspicious"},{"name":"Roga","start":"12:31","end":"13:56","startHours":12.52274127020667,"endHours":13.925549084966342,"quality":"inauspicious"},{"name":"Udveg","start":"13:56","end":"15:20","startHours":13.925549084966342,"endHours":15.328356899726018,"quality":"inauspicious"},{"name":"Chala","start":"15:20","end":"16:44","startHours":15.328356899726018,"endHours":16.73116471448569,"quality":"neutral"},{"name":"Labha","start":"16:44","end":"18:08","startHours":16.73116471448569,"endHours":18.133972529245362,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:08","end":"19:44","startHours":18.133972529245362,"endHours":19.73116471448569,"quality":"inauspicious"},{"name":"Chala","start":"19:44","end":"21:20","startHours":19.73116471448569,"endHours":21.328356899726018,"quality":"neutral"},{"name":"Labha","start":"21:20","end":"22:56","startHours":21.328356899726018,"endHours":22.92554908496634,"quality":"auspicious"},{"name":"Amṛta","start":"22:56","end":"00:31","startHours":22.92554908496634,"endHours":24.522741270206673,"quality":"auspicious"},{"name":"Kāla","start":"00:31","end":"02:07","startHours":24.522741270206673,"endHours":26.119933455446997,"quality":"inauspicious"},{"name":"Śubha","start":"02:07","end":"03:43","startHours":26.119933455446997,"endHours":27.717125640687325,"quality":"auspicious"},{"name":"Roga","start":"03:43","end":"05:19","startHours":27.717125640687325,"endHours":29.314317825927652,"quality":"inauspicious"},{"name":"Udveg","start":"05:19","end":"06:55","startHours":29.314317825927652,"endHours":30.91151001116798,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:55","end":"07:55","startHours":6.911510011167979,"endHours":7.911510011167979,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:55","end":"08:55","startHours":7.911510011167979,"endHours":8.91151001116798,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:55","end":"09:55","startHours":8.91151001116798,"endHours":9.91151001116798,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:55","end":"10:55","startHours":9.91151001116798,"endHours":10.91151001116798,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:55","end":"11:55","startHours":10.91151001116798,"endHours":11.91151001116798,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:55","end":"12:55","startHours":11.91151001116798,"endHours":12.91151001116798,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:55","end":"13:55","startHours":12.91151001116798,"endHours":13.91151001116798,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:55","end":"14:55","startHours":13.91151001116798,"endHours":14.91151001116798,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:55","end":"15:55","startHours":14.91151001116798,"endHours":15.91151001116798,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:55","end":"16:55","startHours":15.91151001116798,"endHours":16.91151001116798,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:55","end":"17:55","startHours":16.91151001116798,"endHours":17.91151001116798,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:55","end":"18:55","startHours":17.91151001116798,"endHours":18.91151001116798,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:55","end":"19:55","startHours":18.91151001116798,"endHours":19.91151001116798,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:55","end":"20:55","startHours":19.91151001116798,"endHours":20.91151001116798,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:55","end":"21:55","startHours":20.91151001116798,"endHours":21.91151001116798,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:55","end":"22:55","startHours":21.91151001116798,"endHours":22.91151001116798,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:55","end":"23:55","startHours":22.91151001116798,"endHours":23.91151001116798,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:55","end":"00:55","startHours":23.91151001116798,"endHours":24.91151001116798,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:55","end":"01:55","startHours":24.91151001116798,"endHours":25.91151001116798,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:55","end":"02:55","startHours":25.91151001116798,"endHours":26.91151001116798,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:55","end":"03:55","startHours":26.91151001116798,"endHours":27.91151001116798,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:55","end":"04:55","startHours":27.91151001116798,"endHours":28.91151001116798,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:55","end":"05:55","startHours":28.91151001116798,"endHours":29.91151001116798,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:55","end":"06:55","startHours":29.91151001116798,"endHours":30.91151001116798,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-11.583535142629849,"eotMinutes":-14.434876212400278,"ayanamsa":25.2378}},"calendars":{"vikram_samvat":2156,"vikram_samvatsara":"Aṅgirasa","saka_samvat":2021,"saka_samvatsara":"Siddhārthī","bengali_samvat":1506,"malayalam_era":1275,"nanakshahi_year":630,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","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":"Phālguna Kṛṣṇa Caturdaśī · Vikram 2156 Aṅgirasa · Śaka 2021 Siddhārthī"},"festivals":[{"id":"maha-shivaratri","name":"Mahā Śivarātri","name_sanskrit":"महा शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"The greatest night of Lord Śiva; cosmic dance of dissolution.","vrata":true,"primary_observance":"Strict fast + night-long vigil + 4-yāma pūjā","detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa","lunar_month":"Phālguna"},"precedence":1},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"maha-shivaratri-walk","name":"Mahā Śivarātri Walk","name_sanskrit":"महा शिवरात्रि यात्रा","type":"festival","description":"Śiva-stuti through Bhāgavata + Mahābhārata Anuśāsana.","step_count":12,"url":"/walk/maha-shivaratri-walk"},"reason":"Today is Mahā Śivarātri — its dedicated 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, 2099 CE · Ṛṣikeśa · Vidhyamitra","description":"February 18, 2099 CE for Ṛṣikeśa: Kṛṣṇa Caturdaśī, sūryodaya 06:55, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2099-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2099-02-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/2099-02-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/2099-02-18","x-default":"https://vidhyamitra.com/city/rishikesh/2099-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:49:09.445Z","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":"2026-05-31T03:49:09.445Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:49:09.445Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}