{"id":"vidhyamitra:city-day:rishikesh:1938-01-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1938-01-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1938-01-27","date_display":"January 27, 1938 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":1938,"month":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428925.770833,"kali_year":5039,"ahargana":1840460.2708,"sun":{"sidereal_longitude":283.5894,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":231.8991,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":308.3097,"elapsed_within_tithi_degrees":8.3097},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":231.8991,"elapsed_within_degrees":5.2324},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.4885},"karana":{"half_tithi_index":51,"name":"Bālava"},"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":1938,"month":1,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2428925.770833,"ahargana":1840460.2708,"kali_year":5039,"ayanamsa_lahiri":22.9879,"grahas":{"sun":{"sidereal_longitude":283.45953099999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":233.72653100000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false,"latitude":0.6521},"mars":{"sidereal_longitude":335.28613100000007,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":260.708431,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":286.48733100000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"venus":{"sidereal_longitude":282.398731,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":338.495431,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":223.5579,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":43.5579,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":1938,"month":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428925.770833,"kali_year":5039,"ahargana":1840460.2708,"sun":{"sidereal_longitude":283.5894,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":231.8991,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":308.3097,"elapsed_within_tithi_degrees":8.3097},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":231.8991,"elapsed_within_degrees":5.2324},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.4885},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.652,"elongation":51.69},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.652,"opposition_distance":128.31}},"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":"07:11","sunsetLocal":"17:49","solarNoonLocal":"12:30","dayLengthHours":10.6335732194311,"dayLengthDisplay":"10 Hours 38 Mins 01 Secs","nightLengthDisplay":"13 Hours 21 Mins 59 Secs","moonriseLocal":"04:04","moonsetLocal":"14:17","rahuKala":{"name":"Rāhu Kāla","start":"13:49","end":"15:09","startHours":13.824103410876873,"endHours":15.15330006330576,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:11","end":"08:30","startHours":7.178120148732437,"endHours":8.507316801161323,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:50","end":"11:10","startHours":9.83651345359021,"endHours":11.165710106019098,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.65928723326636,"endHours":10.013739673914063,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:54","startHours":7.621185699542066,"endHours":7.9047476520602284,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:51","startHours":12.140454317800282,"endHours":12.849359199095689,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:28","startHours":5.760310386141624,"endHours":6.46921526743703,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:11","startHours":6.291989047113178,"endHours":7.178120148732437,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"14:59","startHours":14.267168961686505,"endHours":14.976073842981911,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.611693368163536,"endHours":18.011693368163535,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:15","startHours":17.811693368163535,"endHours":18.254758918973163,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.561693368163535,"endHours":19.311693368163535,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:51","startHours":24.140454317800284,"endHours":24.849359199095687,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:11","end":"08:30","startHours":7.178120148732437,"endHours":8.507316801161323,"quality":"auspicious"},{"name":"Roga","start":"08:30","end":"09:50","startHours":8.507316801161323,"endHours":9.83651345359021,"quality":"inauspicious"},{"name":"Udveg","start":"09:50","end":"11:10","startHours":9.83651345359021,"endHours":11.165710106019098,"quality":"inauspicious"},{"name":"Chala","start":"11:10","end":"12:30","startHours":11.165710106019098,"endHours":12.494906758447986,"quality":"neutral"},{"name":"Labha","start":"12:30","end":"13:49","startHours":12.494906758447986,"endHours":13.824103410876873,"quality":"auspicious"},{"name":"Amṛta","start":"13:49","end":"15:09","startHours":13.824103410876873,"endHours":15.15330006330576,"quality":"auspicious"},{"name":"Kāla","start":"15:09","end":"16:29","startHours":15.15330006330576,"endHours":16.482496715734648,"quality":"inauspicious"},{"name":"Śubha","start":"16:29","end":"17:49","startHours":16.482496715734648,"endHours":17.811693368163535,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:49","end":"19:29","startHours":17.811693368163535,"endHours":19.482496715734648,"quality":"auspicious"},{"name":"Kāla","start":"19:29","end":"21:09","startHours":19.482496715734648,"endHours":21.15330006330576,"quality":"inauspicious"},{"name":"Śubha","start":"21:09","end":"22:49","startHours":21.15330006330576,"endHours":22.824103410876873,"quality":"auspicious"},{"name":"Roga","start":"22:49","end":"00:30","startHours":22.824103410876873,"endHours":24.494906758447986,"quality":"inauspicious"},{"name":"Udveg","start":"00:30","end":"02:10","startHours":24.494906758447986,"endHours":26.165710106019098,"quality":"inauspicious"},{"name":"Chala","start":"02:10","end":"03:50","startHours":26.165710106019098,"endHours":27.83651345359021,"quality":"neutral"},{"name":"Labha","start":"03:50","end":"05:30","startHours":27.83651345359021,"endHours":29.507316801161323,"quality":"auspicious"},{"name":"Amṛta","start":"05:30","end":"07:11","startHours":29.507316801161323,"endHours":31.178120148732436,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.178120148732437,"endHours":8.178120148732436,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.178120148732436,"endHours":9.178120148732436,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.178120148732436,"endHours":10.178120148732436,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.178120148732436,"endHours":11.178120148732436,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.178120148732436,"endHours":12.178120148732436,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.178120148732436,"endHours":13.178120148732436,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.178120148732436,"endHours":14.178120148732436,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.178120148732436,"endHours":15.178120148732436,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.178120148732436,"endHours":16.178120148732436,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.178120148732436,"endHours":17.178120148732436,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.178120148732436,"endHours":18.178120148732436,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.178120148732436,"endHours":19.178120148732436,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.178120148732436,"endHours":20.178120148732436,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.178120148732436,"endHours":21.178120148732436,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.178120148732436,"endHours":22.178120148732436,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.178120148732436,"endHours":23.178120148732436,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.178120148732436,"endHours":24.178120148732436,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.178120148732436,"endHours":25.178120148732436,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.178120148732436,"endHours":26.178120148732436,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.178120148732436,"endHours":27.178120148732436,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.178120148732436,"endHours":28.178120148732436,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.178120148732436,"endHours":29.178120148732436,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.178120148732436,"endHours":30.178120148732436,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.178120148732436,"endHours":31.178120148732436,"planetary_lord":"Moon"}],"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":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-East","rahuVasa":"North-West","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-18.65910866389943,"eotMinutes":-12.76480550687915,"ayanamsa":22.9879}},"calendars":{"vikram_samvat":1995,"vikram_samvatsara":"Khara","saka_samvat":1860,"saka_samvatsara":"Bahudhānya","bengali_samvat":1345,"malayalam_era":1114,"nanakshahi_year":469,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Ekādaśī · Vikram 1995 Khara · Śaka 1860 Bahudhānya"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2},{"id":"shattila-ekadashi","name":"Ṣaṭ-tilā Ekādaśī","name_sanskrit":"षट्तिला एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Six uses of tila (sesame) on this Ekādaśī confer mokṣa.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Māgha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 January 27, 1938 CE · Ṛṣikeśa · Vidhyamitra","description":"January 27, 1938 CE for Ṛṣikeśa: Kṛṣṇa Ekādaśī, sūryodaya 07:11, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1938-01-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1938-01-27","sa":"https://sa.vidhyamitra.com/city/rishikesh/1938-01-27","hi":"https://hi.vidhyamitra.com/city/rishikesh/1938-01-27","x-default":"https://vidhyamitra.com/city/rishikesh/1938-01-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T11:52:59.289Z","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":"2026-05-24T11:52:59.289Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T11:52:59.289Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}