{"id":"vidhyamitra:city-day:rishikesh:1912-09-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1912-09-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1912-09-27","date_display":"September 27, 1912 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":1912,"month":9,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419672.770833,"kali_year":5014,"ahargana":1831207.2708,"sun":{"sidereal_longitude":160.393,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":346.917,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":186.5241,"elapsed_within_tithi_degrees":6.5241},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":346.917,"elapsed_within_degrees":0.2504},"yoga":{"number":12,"name":"Dhruva","sum_longitude":147.31},"karana":{"half_tithi_index":31,"name":"Kaulava"},"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":1912,"month":9,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2419672.770833,"ahargana":1831207.2708,"kali_year":5014,"ayanamsa_lahiri":22.634,"grahas":{"sun":{"sidereal_longitude":160.92596400000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":347.22756400000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":-0.5408},"mars":{"sidereal_longitude":174.460964,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":156.25766399999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":228.67326400000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":184.53366400000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":42.30576400000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":353.8264,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":173.8264,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"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":1912,"month":9,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419672.770833,"kali_year":5014,"ahargana":1831207.2708,"sun":{"sidereal_longitude":160.393,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":346.917,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":186.5241,"elapsed_within_tithi_degrees":6.5241},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":346.917,"elapsed_within_degrees":0.2504},"yoga":{"number":12,"name":"Dhruva","sum_longitude":147.31},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.541,"elongation":173.476},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.541,"opposition_distance":6.524}},"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":"06:07","sunsetLocal":"18:08","solarNoonLocal":"12:07","dayLengthHours":12.019053795478465,"dayLengthDisplay":"12 Hours 01 Mins 09 Secs","nightLengthDisplay":"11 Hours 58 Mins 51 Secs","moonriseLocal":"18:21","moonsetLocal":"06:44","rahuKala":{"name":"Rāhu Kāla","start":"10:37","end":"12:07","startHours":10.615765515653223,"endHours":12.118147240088032,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:07","end":"16:38","startHours":15.122910688957647,"endHours":16.625292413392454,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:37","end":"09:07","startHours":7.611002066783606,"endHours":9.113383791218414,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:19","startHours":8.91306622796044,"endHours":9.31370135447639,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:56","startHours":6.609414250493734,"endHours":6.929922351706494,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:31","startHours":11.717512113572083,"endHours":12.51878236660398,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:30","end":"05:18","startHours":4.506079836285003,"endHours":5.307350089316901,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:06","end":"06:07","startHours":5.107032526058926,"endHours":6.108620342348798,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:55","startHours":14.121322872667776,"endHours":14.922593125699674,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.927674137827264,"endHours":18.327674137827263,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:38","startHours":18.127674137827263,"endHours":18.6284680459722,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.877674137827263,"endHours":19.627674137827263,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:31","startHours":23.717512113572084,"endHours":24.51878236660398,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:07","end":"07:37","startHours":6.108620342348798,"endHours":7.611002066783606,"quality":"neutral"},{"name":"Labha","start":"07:37","end":"09:07","startHours":7.611002066783606,"endHours":9.113383791218414,"quality":"auspicious"},{"name":"Amṛta","start":"09:07","end":"10:37","startHours":9.113383791218414,"endHours":10.615765515653223,"quality":"auspicious"},{"name":"Kāla","start":"10:37","end":"12:07","startHours":10.615765515653223,"endHours":12.118147240088032,"quality":"inauspicious"},{"name":"Śubha","start":"12:07","end":"13:37","startHours":12.118147240088032,"endHours":13.620528964522839,"quality":"auspicious"},{"name":"Roga","start":"13:37","end":"15:07","startHours":13.620528964522839,"endHours":15.122910688957647,"quality":"inauspicious"},{"name":"Udveg","start":"15:07","end":"16:38","startHours":15.122910688957647,"endHours":16.625292413392454,"quality":"inauspicious"},{"name":"Chala","start":"16:38","end":"18:08","startHours":16.625292413392454,"endHours":18.127674137827263,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:08","end":"19:38","startHours":18.127674137827263,"endHours":19.625292413392454,"quality":"inauspicious"},{"name":"Udveg","start":"19:38","end":"21:07","startHours":19.625292413392454,"endHours":21.122910688957646,"quality":"inauspicious"},{"name":"Chala","start":"21:07","end":"22:37","startHours":21.122910688957646,"endHours":22.62052896452284,"quality":"neutral"},{"name":"Labha","start":"22:37","end":"00:07","startHours":22.62052896452284,"endHours":24.11814724008803,"quality":"auspicious"},{"name":"Amṛta","start":"00:07","end":"01:37","startHours":24.11814724008803,"endHours":25.615765515653223,"quality":"auspicious"},{"name":"Kāla","start":"01:37","end":"03:07","startHours":25.615765515653223,"endHours":27.113383791218414,"quality":"inauspicious"},{"name":"Śubha","start":"03:07","end":"04:37","startHours":27.113383791218414,"endHours":28.611002066783605,"quality":"auspicious"},{"name":"Roga","start":"04:37","end":"06:07","startHours":28.611002066783605,"endHours":30.1086203423488,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.108620342348798,"endHours":7.108620342348798,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.108620342348798,"endHours":8.108620342348798,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.108620342348798,"endHours":9.108620342348798,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.108620342348798,"endHours":10.108620342348798,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.108620342348798,"endHours":11.108620342348798,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.108620342348798,"endHours":12.108620342348798,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.108620342348798,"endHours":13.108620342348798,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.108620342348798,"endHours":14.108620342348798,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.108620342348798,"endHours":15.108620342348798,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.108620342348798,"endHours":16.1086203423488,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.1086203423488,"endHours":17.1086203423488,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.1086203423488,"endHours":18.1086203423488,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.1086203423488,"endHours":19.1086203423488,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.1086203423488,"endHours":20.1086203423488,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.1086203423488,"endHours":21.1086203423488,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.1086203423488,"endHours":22.1086203423488,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.1086203423488,"endHours":23.1086203423488,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.1086203423488,"endHours":24.1086203423488,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.1086203423488,"endHours":25.1086203423488,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.1086203423488,"endHours":26.1086203423488,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.1086203423488,"endHours":27.1086203423488,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.1086203423488,"endHours":28.1086203423488,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.1086203423488,"endHours":29.1086203423488,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.1086203423488,"endHours":30.1086203423488,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-1.41514626997234,"eotMinutes":9.840765594718077,"ayanamsa":22.634}},"calendars":{"vikram_samvat":1969,"vikram_samvatsara":"Krodhana","saka_samvat":1834,"saka_samvatsara":"Paridhāvi","bengali_samvat":1319,"malayalam_era":1088,"nanakshahi_year":443,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Pratipada · Vikram 1969 Krodhana · Śaka 1834 Paridhāvi"},"festivals":[],"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 September 27, 1912 CE · Ṛṣikeśa · Vidhyamitra","description":"September 27, 1912 CE for Ṛṣikeśa: Kṛṣṇa Pratipada, sūryodaya 06:07, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1912-09-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1912-09-27","sa":"https://sa.vidhyamitra.com/city/rishikesh/1912-09-27","hi":"https://hi.vidhyamitra.com/city/rishikesh/1912-09-27","x-default":"https://vidhyamitra.com/city/rishikesh/1912-09-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T00:42:57.905Z","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":"2026-06-02T00:42:57.905Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T00:42:57.905Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}