{"id":"vidhyamitra:city-day:rishikesh:1927-09-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1927-09-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1927-09-11","date_display":"September 11, 1927 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":1927,"month":9,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2425134.770833,"kali_year":5029,"ahargana":1836669.2708,"sun":{"sidereal_longitude":143.9285,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":316.3234,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":172.3949,"elapsed_within_tithi_degrees":4.3949},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":316.3234,"elapsed_within_degrees":9.6568},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":100.2519},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1927,"month":9,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2425134.770833,"ahargana":1836669.2708,"kali_year":5029,"ayanamsa_lahiri":22.8429,"grahas":{"sun":{"sidereal_longitude":144.47117500000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":317.496175,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false,"latitude":-4.2769},"mars":{"sidereal_longitude":158.460775,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":152.84047499999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":338.609175,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":144.97977500000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":219.490275,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":64.4234,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":244.4234,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":1927,"month":9,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2425134.770833,"kali_year":5029,"ahargana":1836669.2708,"sun":{"sidereal_longitude":143.9285,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":316.3234,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":172.3949,"elapsed_within_tithi_degrees":4.3949},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":316.3234,"elapsed_within_degrees":9.6568},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":100.2519},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.277,"elongation":172.395},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.277,"opposition_distance":7.605}},"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":"05:57","sunsetLocal":"18:28","solarNoonLocal":"12:13","dayLengthHours":12.517323291103239,"dayLengthDisplay":"12 Hours 31 Mins 02 Secs","nightLengthDisplay":"11 Hours 28 Mins 58 Secs","moonriseLocal":"18:00","moonsetLocal":"05:30","rahuKala":{"name":"Rāhu Kāla","start":"16:55","end":"18:28","startHours":16.909249698257668,"endHours":18.473915109645574,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:13","end":"13:47","startHours":12.215253464093955,"endHours":13.779918875481858,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:21","end":"16:55","startHours":15.344584286869765,"endHours":16.909249698257668,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.877300586466424,"endHours":9.294544696169865,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:29","end":"06:49","startHours":6.478146955671637,"endHours":6.811942243434389,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:38","startHours":11.798009354390514,"endHours":12.632497573797396,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:07","startHours":4.287615379728569,"endHours":5.122103599135452,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:55","end":"05:57","startHours":4.913481544283732,"endHours":5.956591818542335,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:08","startHours":14.301474012611159,"endHours":15.135962232018041,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.273915109645575,"endHours":18.673915109645574,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"19:00","startHours":18.473915109645574,"endHours":18.995470246774875,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.223915109645574,"endHours":19.973915109645574,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:38","startHours":23.798009354390512,"endHours":24.632497573797398,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:57","end":"07:31","startHours":5.956591818542335,"endHours":7.52125722993024,"quality":"inauspicious"},{"name":"Chala","start":"07:31","end":"09:05","startHours":7.52125722993024,"endHours":9.085922641318145,"quality":"neutral"},{"name":"Labha","start":"09:05","end":"10:39","startHours":9.085922641318145,"endHours":10.650588052706048,"quality":"auspicious"},{"name":"Amṛta","start":"10:39","end":"12:13","startHours":10.650588052706048,"endHours":12.215253464093955,"quality":"auspicious"},{"name":"Kāla","start":"12:13","end":"13:47","startHours":12.215253464093955,"endHours":13.779918875481858,"quality":"inauspicious"},{"name":"Śubha","start":"13:47","end":"15:21","startHours":13.779918875481858,"endHours":15.344584286869765,"quality":"auspicious"},{"name":"Roga","start":"15:21","end":"16:55","startHours":15.344584286869765,"endHours":16.909249698257668,"quality":"inauspicious"},{"name":"Udveg","start":"16:55","end":"18:28","startHours":16.909249698257668,"endHours":18.473915109645574,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:28","end":"19:55","startHours":18.473915109645574,"endHours":19.909249698257668,"quality":"auspicious"},{"name":"Roga","start":"19:55","end":"21:21","startHours":19.909249698257668,"endHours":21.344584286869765,"quality":"inauspicious"},{"name":"Udveg","start":"21:21","end":"22:47","startHours":21.344584286869765,"endHours":22.77991887548186,"quality":"inauspicious"},{"name":"Chala","start":"22:47","end":"00:13","startHours":22.77991887548186,"endHours":24.215253464093955,"quality":"neutral"},{"name":"Labha","start":"00:13","end":"01:39","startHours":24.215253464093955,"endHours":25.65058805270605,"quality":"auspicious"},{"name":"Amṛta","start":"01:39","end":"03:05","startHours":25.65058805270605,"endHours":27.085922641318145,"quality":"auspicious"},{"name":"Kāla","start":"03:05","end":"04:31","startHours":27.085922641318145,"endHours":28.521257229930242,"quality":"inauspicious"},{"name":"Śubha","start":"04:31","end":"05:57","startHours":28.521257229930242,"endHours":29.956591818542336,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:57","end":"06:57","startHours":5.956591818542335,"endHours":6.956591818542335,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:57","end":"07:57","startHours":6.956591818542335,"endHours":7.956591818542335,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:57","end":"08:57","startHours":7.956591818542335,"endHours":8.956591818542336,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:57","end":"09:57","startHours":8.956591818542336,"endHours":9.956591818542336,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:57","end":"10:57","startHours":9.956591818542336,"endHours":10.956591818542336,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:57","end":"11:57","startHours":10.956591818542336,"endHours":11.956591818542336,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:57","end":"12:57","startHours":11.956591818542336,"endHours":12.956591818542336,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:57","end":"13:57","startHours":12.956591818542336,"endHours":13.956591818542336,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:57","end":"14:57","startHours":13.956591818542336,"endHours":14.956591818542336,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:57","end":"15:57","startHours":14.956591818542336,"endHours":15.956591818542336,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:57","end":"16:57","startHours":15.956591818542336,"endHours":16.956591818542336,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:57","end":"17:57","startHours":16.956591818542336,"endHours":17.956591818542336,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:57","end":"18:57","startHours":17.956591818542336,"endHours":18.956591818542336,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:57","end":"19:57","startHours":18.956591818542336,"endHours":19.956591818542336,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:57","end":"20:57","startHours":19.956591818542336,"endHours":20.956591818542336,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:57","end":"21:57","startHours":20.956591818542336,"endHours":21.956591818542336,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:57","end":"22:57","startHours":21.956591818542336,"endHours":22.956591818542336,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:57","end":"23:57","startHours":22.956591818542336,"endHours":23.956591818542336,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:57","end":"00:57","startHours":23.956591818542336,"endHours":24.956591818542336,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:57","end":"01:57","startHours":24.956591818542336,"endHours":25.956591818542336,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:57","end":"02:57","startHours":25.956591818542336,"endHours":26.956591818542336,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:57","end":"03:57","startHours":26.956591818542336,"endHours":27.956591818542336,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:57","end":"04:57","startHours":27.956591818542336,"endHours":28.956591818542336,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:57","end":"05:57","startHours":28.956591818542336,"endHours":29.956591818542336,"planetary_lord":"Jupiter"}],"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","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":5.010865292630352,"eotMinutes":4.014392154362758,"ayanamsa":22.8429}},"calendars":{"vikram_samvat":1984,"vikram_samvatsara":"Vikrama","saka_samvat":1849,"saka_samvatsara":"Prabhava","bengali_samvat":1334,"malayalam_era":1103,"nanakshahi_year":458,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Pūrṇimā · Vikram 1984 Vikrama · Śaka 1849 Prabhava"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","relevance":0.5}]},"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 September 11, 1927 CE · Ṛṣikeśa · Vidhyamitra","description":"September 11, 1927 CE for Ṛṣikeśa: Śukla Pūrṇimā, sūryodaya 05:57, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1927-09-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1927-09-11","sa":"https://sa.vidhyamitra.com/city/rishikesh/1927-09-11","hi":"https://hi.vidhyamitra.com/city/rishikesh/1927-09-11","x-default":"https://vidhyamitra.com/city/rishikesh/1927-09-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T04:21:19.337Z","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":"2026-06-03T04:21:19.337Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T04:21:19.337Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}