{"id":"vidhyamitra:city-day:rishikesh:1928-05-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1928-05-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1928-05-10","date_display":"May 10, 1928 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":1928,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2425376.770833,"kali_year":5030,"ahargana":1836911.2708,"sun":{"sidereal_longitude":26.4547,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":267.3229,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":240.8682,"elapsed_within_tithi_degrees":0.8682},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":267.3229,"elapsed_within_degrees":0.6562},"yoga":{"number":23,"name":"Śubha","sum_longitude":293.7776},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1928,"month":5,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2425376.770833,"ahargana":1836911.2708,"kali_year":5030,"ayanamsa_lahiri":22.8522,"grahas":{"sun":{"sidereal_longitude":26.279228999999987,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":263.23822900000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false,"latitude":-2.6255},"mars":{"sidereal_longitude":332.913729,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":35.00302899999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":3.0171290000000113,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":13.146929,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":235.22012900000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":51.601,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":231.601,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":1928,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2425376.770833,"kali_year":5030,"ahargana":1836911.2708,"sun":{"sidereal_longitude":26.4547,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":267.3229,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":240.8682,"elapsed_within_tithi_degrees":0.8682},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":267.3229,"elapsed_within_degrees":0.6562},"yoga":{"number":23,"name":"Śubha","sum_longitude":293.7776},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.626,"elongation":119.132},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.626,"opposition_distance":60.868}},"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":"05:27","sunsetLocal":"18:59","solarNoonLocal":"12:13","dayLengthHours":13.540886422343526,"dayLengthDisplay":"13 Hours 32 Mins 27 Secs","nightLengthDisplay":"10 Hours 27 Mins 33 Secs","moonriseLocal":"22:54","moonsetLocal":"09:09","rahuKala":{"name":"Rāhu Kāla","start":"13:55","end":"15:36","startHours":13.913493705725383,"endHours":15.606104508518325,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:27","end":"07:09","startHours":5.450439691760679,"endHours":7.14305049455362,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:50","end":"10:32","startHours":8.835661297346562,"endHours":10.528272100139501,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:04","startHours":8.609979856974169,"endHours":9.061342737718952,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:23","startHours":6.01464329269166,"endHours":6.375733597287487,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:40","startHours":11.769520022187658,"endHours":12.672245783677225,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:39","end":"04:33","startHours":3.644988168781542,"endHours":4.547713930271111,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:19","end":"05:27","startHours":4.322032489898719,"endHours":5.450439691760679,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:23","startHours":14.477697306656363,"endHours":15.380423068145932,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:47","end":"19:11","startHours":18.791326114104205,"endHours":19.191326114104204,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:59","end":"19:33","startHours":18.991326114104204,"endHours":19.555529715035185,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:44","end":"20:29","startHours":18.741326114104204,"endHours":20.491326114104204,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:40","startHours":23.769520022187656,"endHours":24.672245783677226,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:27","end":"07:09","startHours":5.450439691760679,"endHours":7.14305049455362,"quality":"auspicious"},{"name":"Roga","start":"07:09","end":"08:50","startHours":7.14305049455362,"endHours":8.835661297346562,"quality":"inauspicious"},{"name":"Udveg","start":"08:50","end":"10:32","startHours":8.835661297346562,"endHours":10.528272100139501,"quality":"inauspicious"},{"name":"Chala","start":"10:32","end":"12:13","startHours":10.528272100139501,"endHours":12.220882902932441,"quality":"neutral"},{"name":"Labha","start":"12:13","end":"13:55","startHours":12.220882902932441,"endHours":13.913493705725383,"quality":"auspicious"},{"name":"Amṛta","start":"13:55","end":"15:36","startHours":13.913493705725383,"endHours":15.606104508518325,"quality":"auspicious"},{"name":"Kāla","start":"15:36","end":"17:18","startHours":15.606104508518325,"endHours":17.298715311311263,"quality":"inauspicious"},{"name":"Śubha","start":"17:18","end":"18:59","startHours":17.298715311311263,"endHours":18.991326114104204,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:59","end":"20:18","startHours":18.991326114104204,"endHours":20.298715311311263,"quality":"auspicious"},{"name":"Kāla","start":"20:18","end":"21:36","startHours":20.298715311311263,"endHours":21.60610450851832,"quality":"inauspicious"},{"name":"Śubha","start":"21:36","end":"22:55","startHours":21.60610450851832,"endHours":22.913493705725383,"quality":"auspicious"},{"name":"Roga","start":"22:55","end":"00:13","startHours":22.913493705725383,"endHours":24.22088290293244,"quality":"inauspicious"},{"name":"Udveg","start":"00:13","end":"01:32","startHours":24.22088290293244,"endHours":25.5282721001395,"quality":"inauspicious"},{"name":"Chala","start":"01:32","end":"02:50","startHours":25.5282721001395,"endHours":26.83566129734656,"quality":"neutral"},{"name":"Labha","start":"02:50","end":"04:09","startHours":26.83566129734656,"endHours":28.14305049455362,"quality":"auspicious"},{"name":"Amṛta","start":"04:09","end":"05:27","startHours":28.14305049455362,"endHours":29.45043969176068,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:27","end":"06:27","startHours":5.450439691760679,"endHours":6.450439691760679,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:27","end":"07:27","startHours":6.450439691760679,"endHours":7.450439691760679,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:27","end":"08:27","startHours":7.450439691760679,"endHours":8.450439691760678,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:27","end":"09:27","startHours":8.450439691760678,"endHours":9.450439691760678,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:27","end":"10:27","startHours":9.450439691760678,"endHours":10.450439691760678,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:27","end":"11:27","startHours":10.450439691760678,"endHours":11.450439691760678,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:27","end":"12:27","startHours":11.450439691760678,"endHours":12.450439691760678,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:27","end":"13:27","startHours":12.450439691760678,"endHours":13.450439691760678,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:27","end":"14:27","startHours":13.450439691760678,"endHours":14.450439691760678,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:27","end":"15:27","startHours":14.450439691760678,"endHours":15.450439691760678,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:27","end":"16:27","startHours":15.450439691760678,"endHours":16.45043969176068,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:27","end":"17:27","startHours":16.45043969176068,"endHours":17.45043969176068,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:27","end":"18:27","startHours":17.45043969176068,"endHours":18.45043969176068,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:27","end":"19:27","startHours":18.45043969176068,"endHours":19.45043969176068,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:27","end":"20:27","startHours":19.45043969176068,"endHours":20.45043969176068,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:27","end":"21:27","startHours":20.45043969176068,"endHours":21.45043969176068,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:27","end":"22:27","startHours":21.45043969176068,"endHours":22.45043969176068,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:27","end":"23:27","startHours":22.45043969176068,"endHours":23.45043969176068,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:27","end":"00:27","startHours":23.45043969176068,"endHours":24.45043969176068,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:27","end":"01:27","startHours":24.45043969176068,"endHours":25.45043969176068,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:27","end":"02:27","startHours":25.45043969176068,"endHours":26.45043969176068,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:27","end":"03:27","startHours":26.45043969176068,"endHours":27.45043969176068,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:27","end":"04:27","startHours":27.45043969176068,"endHours":28.45043969176068,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:27","end":"05:27","startHours":28.45043969176068,"endHours":29.45043969176068,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","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":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":17.503872675177274,"eotMinutes":3.6766258240534686,"ayanamsa":22.8522}},"calendars":{"vikram_samvat":1985,"vikram_samvatsara":"Vṛṣa","saka_samvat":1850,"saka_samvatsara":"Vibhava","bengali_samvat":1335,"malayalam_era":1104,"nanakshahi_year":459,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Ṣaṣṭhī · Vikram 1985 Vṛṣa · Śaka 1850 Vibhava"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 10, 1928 CE · Ṛṣikeśa · Vidhyamitra","description":"May 10, 1928 CE for Ṛṣikeśa: Kṛṣṇa Ṣaṣṭhī, sūryodaya 05:27, sūryāsta 18:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1928-05-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1928-05-10","sa":"https://sa.vidhyamitra.com/city/rishikesh/1928-05-10","hi":"https://hi.vidhyamitra.com/city/rishikesh/1928-05-10","x-default":"https://vidhyamitra.com/city/rishikesh/1928-05-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T18:43:01.077Z","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":"2026-05-31T18:43:01.077Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T18:43:01.077Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}