{"id":"vidhyamitra:city-day:rishikesh:1938-01-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1938-01-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1938-01-06","date_display":"January 6, 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":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428904.770833,"kali_year":5039,"ahargana":1840439.2708,"sun":{"sidereal_longitude":262.0391,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":312.4681,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":50.429,"elapsed_within_tithi_degrees":2.429},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":312.4681,"elapsed_within_degrees":5.8014},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":214.5072},"karana":{"half_tithi_index":8,"name":"Bava"},"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":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2428904.770833,"ahargana":1840439.2708,"kali_year":5039,"ayanamsa_lahiri":22.9871,"grahas":{"sun":{"sidereal_longitude":262.079334,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":309.55663400000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false,"latitude":4.4967},"mars":{"sidereal_longitude":319.476534,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":248.21313400000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":281.558134,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"venus":{"sidereal_longitude":255.99123400000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":336.91573399999993,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":224.6706,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":44.6706,"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":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428904.770833,"kali_year":5039,"ahargana":1840439.2708,"sun":{"sidereal_longitude":262.0391,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":312.4681,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":50.429,"elapsed_within_tithi_degrees":2.429},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":312.4681,"elapsed_within_degrees":5.8014},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":214.5072},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.497,"elongation":50.429},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.497,"opposition_distance":129.571}},"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":"07:14","sunsetLocal":"17:31","solarNoonLocal":"12:23","dayLengthHours":10.283528554765557,"dayLengthDisplay":"10 Hours 17 Mins 01 Secs","nightLengthDisplay":"13 Hours 42 Mins 59 Secs","moonriseLocal":"09:55","moonsetLocal":"21:11","rahuKala":{"name":"Rāhu Kāla","start":"13:40","end":"14:57","startHours":13.66552808779526,"endHours":14.950969157140953,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:14","end":"08:31","startHours":7.238322741066786,"endHours":8.52376381041248,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:49","end":"11:06","startHours":9.809204879758175,"endHours":11.09464594910387,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:59","startHours":9.637812737178749,"endHours":9.980597022337601,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:56","startHours":7.66680309751535,"endHours":7.941030525642431,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:43","startHours":12.037302733290712,"endHours":12.722871303608414,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:52","end":"06:33","startHours":5.8671856004313785,"endHours":6.552754170749082,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:23","end":"07:14","startHours":6.381362028169656,"endHours":7.238322741066786,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:47","startHours":14.094008444243823,"endHours":14.779577014561527,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.321851295832342,"endHours":17.72185129583234,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:57","startHours":17.52185129583234,"endHours":17.950331652280905,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.27185129583234,"endHours":19.02185129583234,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:43","startHours":24.037302733290712,"endHours":24.722871303608418,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:14","end":"08:31","startHours":7.238322741066786,"endHours":8.52376381041248,"quality":"auspicious"},{"name":"Roga","start":"08:31","end":"09:49","startHours":8.52376381041248,"endHours":9.809204879758175,"quality":"inauspicious"},{"name":"Udveg","start":"09:49","end":"11:06","startHours":9.809204879758175,"endHours":11.09464594910387,"quality":"inauspicious"},{"name":"Chala","start":"11:06","end":"12:23","startHours":11.09464594910387,"endHours":12.380087018449565,"quality":"neutral"},{"name":"Labha","start":"12:23","end":"13:40","startHours":12.380087018449565,"endHours":13.66552808779526,"quality":"auspicious"},{"name":"Amṛta","start":"13:40","end":"14:57","startHours":13.66552808779526,"endHours":14.950969157140953,"quality":"auspicious"},{"name":"Kāla","start":"14:57","end":"16:14","startHours":14.950969157140953,"endHours":16.236410226486647,"quality":"inauspicious"},{"name":"Śubha","start":"16:14","end":"17:31","startHours":16.236410226486647,"endHours":17.52185129583234,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:31","end":"19:14","startHours":17.52185129583234,"endHours":19.236410226486647,"quality":"auspicious"},{"name":"Kāla","start":"19:14","end":"20:57","startHours":19.236410226486647,"endHours":20.950969157140953,"quality":"inauspicious"},{"name":"Śubha","start":"20:57","end":"22:40","startHours":20.950969157140953,"endHours":22.66552808779526,"quality":"auspicious"},{"name":"Roga","start":"22:40","end":"00:23","startHours":22.66552808779526,"endHours":24.380087018449565,"quality":"inauspicious"},{"name":"Udveg","start":"00:23","end":"02:06","startHours":24.380087018449565,"endHours":26.09464594910387,"quality":"inauspicious"},{"name":"Chala","start":"02:06","end":"03:49","startHours":26.09464594910387,"endHours":27.809204879758173,"quality":"neutral"},{"name":"Labha","start":"03:49","end":"05:31","startHours":27.809204879758173,"endHours":29.52376381041248,"quality":"auspicious"},{"name":"Amṛta","start":"05:31","end":"07:14","startHours":29.52376381041248,"endHours":31.238322741066785,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.238322741066786,"endHours":8.238322741066785,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.238322741066785,"endHours":9.238322741066785,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.238322741066785,"endHours":10.238322741066785,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.238322741066785,"endHours":11.238322741066785,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.238322741066785,"endHours":12.238322741066785,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.238322741066785,"endHours":13.238322741066785,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.238322741066785,"endHours":14.238322741066785,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.238322741066785,"endHours":15.238322741066785,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.238322741066785,"endHours":16.238322741066785,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.238322741066785,"endHours":17.238322741066785,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.238322741066785,"endHours":18.238322741066785,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.238322741066785,"endHours":19.238322741066785,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.238322741066785,"endHours":20.238322741066785,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.238322741066785,"endHours":21.238322741066785,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.238322741066785,"endHours":22.238322741066785,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.238322741066785,"endHours":23.238322741066785,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.238322741066785,"endHours":24.238322741066785,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.238322741066785,"endHours":25.238322741066785,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.238322741066785,"endHours":26.238322741066785,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.238322741066785,"endHours":27.238322741066785,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.238322741066785,"endHours":28.238322741066785,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.238322741066785,"endHours":29.238322741066785,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.238322741066785,"endHours":30.238322741066785,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.238322741066785,"endHours":31.238322741066785,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.585423547876882,"eotMinutes":-5.875621106973772,"ayanamsa":22.9871}},"calendars":{"vikram_samvat":1995,"vikram_samvatsara":"Khara","saka_samvat":1860,"saka_samvatsara":"Bahudhānya","bengali_samvat":1345,"malayalam_era":1114,"nanakshahi_year":469,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Pañcamī · Vikram 1995 Khara · Śaka 1860 Bahudhānya"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"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":[]},"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 6, 1938 CE · Ṛṣikeśa · Vidhyamitra","description":"January 6, 1938 CE for Ṛṣikeśa: Śukla Pañcamī, sūryodaya 07:14, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1938-01-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1938-01-06","sa":"https://sa.vidhyamitra.com/city/rishikesh/1938-01-06","hi":"https://hi.vidhyamitra.com/city/rishikesh/1938-01-06","x-default":"https://vidhyamitra.com/city/rishikesh/1938-01-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T23:35:37.807Z","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":"2026-05-21T23:35:37.807Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T23:35:37.807Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}