{"id":"vidhyamitra:city-day:rishikesh:2003-04-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2003-04-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2003-04-18","date_display":"April 18, 2003 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":2003,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452747.770833,"kali_year":5105,"ahargana":1864282.2708,"sun":{"sidereal_longitude":3.8236,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":199.5778,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":195.7542,"elapsed_within_tithi_degrees":3.7542},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":199.5778,"elapsed_within_degrees":12.9111},"yoga":{"number":16,"name":"Siddhi","sum_longitude":203.4014},"karana":{"half_tithi_index":32,"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":2003,"month":4,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452747.770833,"ahargana":1864282.2708,"kali_year":5105,"ayanamsa_lahiri":23.899,"grahas":{"sun":{"sidereal_longitude":3.711055999999985,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":201.144456,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false,"latitude":1.6679},"mars":{"sidereal_longitude":273.65275599999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":23.276556000000028,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":104.40865600000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"venus":{"sidereal_longitude":331.7111560000001,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":60.763555999999994,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":41.3537,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":221.3537,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2003,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452747.770833,"kali_year":5105,"ahargana":1864282.2708,"sun":{"sidereal_longitude":3.8236,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":199.5778,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":195.7542,"elapsed_within_tithi_degrees":3.7542},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":199.5778,"elapsed_within_degrees":12.9111},"yoga":{"number":16,"name":"Siddhi","sum_longitude":203.4014},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.668,"elongation":164.246},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.668,"opposition_distance":15.754}},"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":"05:48","sunsetLocal":"18:45","solarNoonLocal":"12:16","dayLengthHours":12.963229343312854,"dayLengthDisplay":"12 Hours 57 Mins 48 Secs","nightLengthDisplay":"11 Hours 02 Mins 12 Secs","moonriseLocal":"20:02","moonsetLocal":"06:50","rahuKala":{"name":"Rāhu Kāla","start":"10:39","end":"12:16","startHours":10.653324950487836,"endHours":12.273728618401943,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:31","end":"17:08","startHours":15.514535954230155,"endHours":17.134939622144262,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:25","end":"09:02","startHours":7.412517614659622,"endHours":9.032921282573728,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:15","startHours":8.81686746018518,"endHours":9.248975104962277,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:20","end":"06:41","startHours":6.332248502716884,"endHours":6.67793461853856,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:42","startHours":11.841620973624847,"endHours":12.70583626317904,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:04","end":"04:56","startHours":4.063683367637135,"endHours":4.927898657191325,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:43","end":"05:48","startHours":4.711844834802777,"endHours":5.792113946745515,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:18","startHours":14.434266842287418,"endHours":15.298482131841608,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:33","end":"18:57","startHours":18.55534329005837,"endHours":18.95534329005837,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:45","end":"19:18","startHours":18.75534329005837,"endHours":19.29547784602974,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:30","end":"20:15","startHours":18.50534329005837,"endHours":20.25534329005837,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:42","startHours":23.84162097362485,"endHours":24.705836263179037,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:48","end":"07:25","startHours":5.792113946745515,"endHours":7.412517614659622,"quality":"neutral"},{"name":"Labha","start":"07:25","end":"09:02","startHours":7.412517614659622,"endHours":9.032921282573728,"quality":"auspicious"},{"name":"Amṛta","start":"09:02","end":"10:39","startHours":9.032921282573728,"endHours":10.653324950487836,"quality":"auspicious"},{"name":"Kāla","start":"10:39","end":"12:16","startHours":10.653324950487836,"endHours":12.273728618401943,"quality":"inauspicious"},{"name":"Śubha","start":"12:16","end":"13:54","startHours":12.273728618401943,"endHours":13.89413228631605,"quality":"auspicious"},{"name":"Roga","start":"13:54","end":"15:31","startHours":13.89413228631605,"endHours":15.514535954230155,"quality":"inauspicious"},{"name":"Udveg","start":"15:31","end":"17:08","startHours":15.514535954230155,"endHours":17.134939622144262,"quality":"inauspicious"},{"name":"Chala","start":"17:08","end":"18:45","startHours":17.134939622144262,"endHours":18.75534329005837,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:45","end":"20:08","startHours":18.75534329005837,"endHours":20.134939622144262,"quality":"inauspicious"},{"name":"Udveg","start":"20:08","end":"21:31","startHours":20.134939622144262,"endHours":21.514535954230155,"quality":"inauspicious"},{"name":"Chala","start":"21:31","end":"22:54","startHours":21.514535954230155,"endHours":22.89413228631605,"quality":"neutral"},{"name":"Labha","start":"22:54","end":"00:16","startHours":22.89413228631605,"endHours":24.273728618401943,"quality":"auspicious"},{"name":"Amṛta","start":"00:16","end":"01:39","startHours":24.273728618401943,"endHours":25.653324950487836,"quality":"auspicious"},{"name":"Kāla","start":"01:39","end":"03:02","startHours":25.653324950487836,"endHours":27.03292128257373,"quality":"inauspicious"},{"name":"Śubha","start":"03:02","end":"04:25","startHours":27.03292128257373,"endHours":28.412517614659624,"quality":"auspicious"},{"name":"Roga","start":"04:25","end":"05:48","startHours":28.412517614659624,"endHours":29.792113946745516,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:48","end":"06:48","startHours":5.792113946745515,"endHours":6.792113946745515,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:48","end":"07:48","startHours":6.792113946745515,"endHours":7.792113946745515,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:48","end":"08:48","startHours":7.792113946745515,"endHours":8.792113946745516,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:48","end":"09:48","startHours":8.792113946745516,"endHours":9.792113946745516,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:48","end":"10:48","startHours":9.792113946745516,"endHours":10.792113946745516,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:48","end":"11:48","startHours":10.792113946745516,"endHours":11.792113946745516,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:48","end":"12:48","startHours":11.792113946745516,"endHours":12.792113946745516,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:48","end":"13:48","startHours":12.792113946745516,"endHours":13.792113946745516,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:48","end":"14:48","startHours":13.792113946745516,"endHours":14.792113946745516,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:48","end":"15:48","startHours":14.792113946745516,"endHours":15.792113946745516,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:48","end":"16:48","startHours":15.792113946745516,"endHours":16.792113946745516,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:48","end":"17:48","startHours":16.792113946745516,"endHours":17.792113946745516,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:48","end":"18:48","startHours":17.792113946745516,"endHours":18.792113946745516,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:48","end":"19:48","startHours":18.792113946745516,"endHours":19.792113946745516,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:48","end":"20:48","startHours":19.792113946745516,"endHours":20.792113946745516,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:48","end":"21:48","startHours":20.792113946745516,"endHours":21.792113946745516,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:48","end":"22:48","startHours":21.792113946745516,"endHours":22.792113946745516,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:48","end":"23:48","startHours":22.792113946745516,"endHours":23.792113946745516,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:48","end":"00:48","startHours":23.792113946745516,"endHours":24.792113946745516,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:48","end":"01:48","startHours":24.792113946745516,"endHours":25.792113946745516,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:48","end":"02:48","startHours":25.792113946745516,"endHours":26.792113946745516,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:48","end":"03:48","startHours":26.792113946745516,"endHours":27.792113946745516,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:48","end":"04:48","startHours":27.792113946745516,"endHours":28.792113946745516,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:48","end":"05:48","startHours":28.792113946745516,"endHours":29.792113946745516,"planetary_lord":"Mars"}],"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","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"South-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":10.62205682526834,"eotMinutes":0.5058828958834352,"ayanamsa":23.899}},"calendars":{"vikram_samvat":2060,"vikram_samvatsara":"Durmukhi","saka_samvat":1925,"saka_samvatsara":"Subhānu","bengali_samvat":1410,"malayalam_era":1179,"nanakshahi_year":534,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Dvitīyā · Vikram 2060 Durmukhi · Śaka 1925 Subhānu"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2}],"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 April 18, 2003 CE · Ṛṣikeśa · Vidhyamitra","description":"April 18, 2003 CE for Ṛṣikeśa: Kṛṣṇa Dvitīyā, sūryodaya 05:48, sūryāsta 18:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2003-04-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2003-04-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/2003-04-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/2003-04-18","x-default":"https://vidhyamitra.com/city/rishikesh/2003-04-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T00:49:18.265Z","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":"2026-05-17T00:49:18.265Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T00:49:18.265Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}