{"id":"vidhyamitra:city-day:rishikesh:2010-05-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2010-05-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2010-05-04","date_display":"May 4, 2010 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":2010,"month":5,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455320.770833,"kali_year":5112,"ahargana":1866855.2708,"sun":{"sidereal_longitude":19.5093,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":266.6418,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":247.1325,"elapsed_within_tithi_degrees":7.1325},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":266.6418,"elapsed_within_degrees":13.3085},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.1511},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2010,"month":5,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455320.770833,"ahargana":1866855.2708,"kali_year":5112,"ayanamsa_lahiri":23.9974,"grahas":{"sun":{"sidereal_longitude":19.486548000000028,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":266.0741479999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false,"latitude":0.1269},"mars":{"sidereal_longitude":109.62674800000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":10.919047999999975,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":330.572048,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":46.59674799999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":154.20194800000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":265.0238,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":85.0238,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2010,"month":5,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455320.770833,"kali_year":5112,"ahargana":1866855.2708,"sun":{"sidereal_longitude":19.5093,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":266.6418,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":247.1325,"elapsed_within_tithi_degrees":7.1325},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":266.6418,"elapsed_within_degrees":13.3085},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.1511},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.127,"elongation":112.867},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.127,"opposition_distance":67.133}},"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":"05:32","sunsetLocal":"18:56","solarNoonLocal":"12:14","dayLengthHours":13.400806199247477,"dayLengthDisplay":"13 Hours 24 Mins 03 Secs","nightLengthDisplay":"10 Hours 35 Mins 57 Secs","moonriseLocal":"23:31","moonsetLocal":"09:49","rahuKala":{"name":"Rāhu Kāla","start":"15:35","end":"17:15","startHours":15.578053922843871,"endHours":17.253154697749807,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:53","end":"10:33","startHours":8.877650823220133,"endHours":10.552751598126068,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:14","end":"13:54","startHours":12.227852373032004,"endHours":13.90295314793794,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:06","startHours":8.654304053232675,"endHours":9.100997593207591,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:05","end":"06:27","startHours":6.08581619837691,"endHours":6.443171030356843,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:40","startHours":11.781158833057088,"endHours":12.67454591300692,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:44","end":"04:38","startHours":3.740675113508601,"endHours":4.634062193458433,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:25","end":"05:32","startHours":4.410715423470975,"endHours":5.527449273408265,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:21","startHours":14.461320072906584,"endHours":15.354707152856417,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:44","end":"19:08","startHours":18.728255472655743,"endHours":19.12825547265574,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:56","end":"19:29","startHours":18.928255472655742,"endHours":19.486622397624387,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:41","end":"20:26","startHours":18.678255472655742,"endHours":20.428255472655742,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:40","startHours":23.781158833057088,"endHours":24.67454591300692,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:32","end":"07:12","startHours":5.527449273408265,"endHours":7.202550048314199,"quality":"inauspicious"},{"name":"Udveg","start":"07:12","end":"08:53","startHours":7.202550048314199,"endHours":8.877650823220133,"quality":"inauspicious"},{"name":"Chala","start":"08:53","end":"10:33","startHours":8.877650823220133,"endHours":10.552751598126068,"quality":"neutral"},{"name":"Labha","start":"10:33","end":"12:14","startHours":10.552751598126068,"endHours":12.227852373032004,"quality":"auspicious"},{"name":"Amṛta","start":"12:14","end":"13:54","startHours":12.227852373032004,"endHours":13.90295314793794,"quality":"auspicious"},{"name":"Kāla","start":"13:54","end":"15:35","startHours":13.90295314793794,"endHours":15.578053922843871,"quality":"inauspicious"},{"name":"Śubha","start":"15:35","end":"17:15","startHours":15.578053922843871,"endHours":17.253154697749807,"quality":"auspicious"},{"name":"Roga","start":"17:15","end":"18:56","startHours":17.253154697749807,"endHours":18.928255472655742,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:56","end":"20:15","startHours":18.928255472655742,"endHours":20.253154697749807,"quality":"inauspicious"},{"name":"Śubha","start":"20:15","end":"21:35","startHours":20.253154697749807,"endHours":21.57805392284387,"quality":"auspicious"},{"name":"Roga","start":"21:35","end":"22:54","startHours":21.57805392284387,"endHours":22.90295314793794,"quality":"inauspicious"},{"name":"Udveg","start":"22:54","end":"00:14","startHours":22.90295314793794,"endHours":24.227852373032004,"quality":"inauspicious"},{"name":"Chala","start":"00:14","end":"01:33","startHours":24.227852373032004,"endHours":25.55275159812607,"quality":"neutral"},{"name":"Labha","start":"01:33","end":"02:53","startHours":25.55275159812607,"endHours":26.877650823220137,"quality":"auspicious"},{"name":"Amṛta","start":"02:53","end":"04:12","startHours":26.877650823220137,"endHours":28.2025500483142,"quality":"auspicious"},{"name":"Kāla","start":"04:12","end":"05:32","startHours":28.2025500483142,"endHours":29.527449273408266,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:32","end":"06:32","startHours":5.527449273408265,"endHours":6.527449273408265,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:32","end":"07:32","startHours":6.527449273408265,"endHours":7.527449273408265,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:32","end":"08:32","startHours":7.527449273408265,"endHours":8.527449273408266,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:32","end":"09:32","startHours":8.527449273408266,"endHours":9.527449273408266,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:32","end":"10:32","startHours":9.527449273408266,"endHours":10.527449273408266,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:32","end":"11:32","startHours":10.527449273408266,"endHours":11.527449273408266,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:32","end":"12:32","startHours":11.527449273408266,"endHours":12.527449273408266,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:32","end":"13:32","startHours":12.527449273408266,"endHours":13.527449273408266,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:32","end":"14:32","startHours":13.527449273408266,"endHours":14.527449273408266,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:32","end":"15:32","startHours":14.527449273408266,"endHours":15.527449273408266,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:32","end":"16:32","startHours":15.527449273408266,"endHours":16.527449273408266,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:32","end":"17:32","startHours":16.527449273408266,"endHours":17.527449273408266,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:32","end":"18:32","startHours":17.527449273408266,"endHours":18.527449273408266,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:32","end":"19:32","startHours":18.527449273408266,"endHours":19.527449273408266,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:32","end":"20:32","startHours":19.527449273408266,"endHours":20.527449273408266,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:32","end":"21:32","startHours":20.527449273408266,"endHours":21.527449273408266,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:32","end":"22:32","startHours":21.527449273408266,"endHours":22.527449273408266,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:32","end":"23:32","startHours":22.527449273408266,"endHours":23.527449273408266,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:32","end":"00:32","startHours":23.527449273408266,"endHours":24.527449273408266,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:32","end":"01:32","startHours":24.527449273408266,"endHours":25.527449273408266,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:32","end":"02:32","startHours":25.527449273408266,"endHours":26.527449273408266,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:32","end":"03:32","startHours":26.527449273408266,"endHours":27.527449273408266,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:32","end":"04:32","startHours":27.527449273408266,"endHours":28.527449273408266,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:32","end":"05:32","startHours":28.527449273408266,"endHours":29.527449273408266,"planetary_lord":"Saturn"}],"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":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":15.88456484716228,"eotMinutes":3.258457618079846,"ayanamsa":23.9974}},"calendars":{"vikram_samvat":2067,"vikram_samvatsara":"Śobhana","saka_samvat":1932,"saka_samvatsara":"Vikṛti","bengali_samvat":1417,"malayalam_era":1186,"nanakshahi_year":541,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha (Adhika) Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha (Adhika) Kṛṣṇa Ṣaṣṭhī · Vikram 2067 Śobhana · Śaka 1932 Vikṛti"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 May 4, 2010 CE · Ṛṣikeśa · Vidhyamitra","description":"May 4, 2010 CE for Ṛṣikeśa: Kṛṣṇa Ṣaṣṭhī, sūryodaya 05:32, sūryāsta 18:56.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2010-05-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2010-05-04","sa":"https://sa.vidhyamitra.com/city/rishikesh/2010-05-04","hi":"https://hi.vidhyamitra.com/city/rishikesh/2010-05-04","x-default":"https://vidhyamitra.com/city/rishikesh/2010-05-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:03:42.120Z","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":"2026-05-31T10:03:42.120Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:03:42.120Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}