{"id":"vidhyamitra:city-day:rishikesh:2038-01-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2038-01-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2038-01-23","date_display":"January 23, 2038 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":2038,"month":1,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465446.770833,"kali_year":5139,"ahargana":1876981.2708,"sun":{"sidereal_longitude":278.5954,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":121.4686,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":202.8732,"elapsed_within_tithi_degrees":10.8732},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":121.4686,"elapsed_within_degrees":1.4686},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":40.064},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2038,"month":1,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2465446.770833,"ahargana":1876981.2708,"kali_year":5139,"ayanamsa_lahiri":24.3847,"grahas":{"sun":{"sidereal_longitude":278.73496,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":123.53055999999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":2.4471},"mars":{"sidereal_longitude":30.528560000000027,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":264.99226,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":88.29286000000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":true},"venus":{"sidereal_longitude":251.11576000000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":140.59105999999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":88.4996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":268.4996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2038,"month":1,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2465446.770833,"kali_year":5139,"ahargana":1876981.2708,"sun":{"sidereal_longitude":278.5954,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":121.4686,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":202.8732,"elapsed_within_tithi_degrees":10.8732},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":121.4686,"elapsed_within_degrees":1.4686},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":40.064},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.447,"elongation":157.127},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.447,"opposition_distance":22.873}},"eclipse_window_40days":[{"offset_days":-2,"type":"lunar","occurs":true,"moon_latitude":0.39,"opposition_distance":2.957}]},"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":"07:12","sunsetLocal":"17:46","solarNoonLocal":"12:29","dayLengthHours":10.563991109238806,"dayLengthDisplay":"10 Hours 33 Mins 50 Secs","nightLengthDisplay":"13 Hours 26 Mins 10 Secs","moonriseLocal":"19:36","moonsetLocal":"08:39","rahuKala":{"name":"Rāhu Kāla","start":"09:50","end":"11:10","startHours":9.837915515692263,"endHours":11.158414404347113,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:48","end":"15:07","startHours":13.799412181656814,"endHours":15.119911070311666,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:12","end":"08:31","startHours":7.19691773838256,"endHours":8.517416627037411,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.661848997204949,"endHours":10.013982034179575,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:55","startHours":7.637084034600844,"endHours":7.918790464180545,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:50","startHours":12.126780256027336,"endHours":12.831046329976589,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:47","end":"06:30","startHours":5.788385590484053,"endHours":6.492651664433307,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:12","startHours":6.316585145945993,"endHours":7.19691773838256,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"14:57","startHours":14.2395784778751,"endHours":14.943844551824354,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:34","end":"17:58","startHours":17.560908847621366,"endHours":17.960908847621365,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:46","end":"18:12","startHours":17.760908847621366,"endHours":18.20107514383965,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:31","end":"19:16","startHours":17.510908847621366,"endHours":19.260908847621366,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:50","startHours":24.126780256027335,"endHours":24.83104632997659,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:12","end":"08:31","startHours":7.19691773838256,"endHours":8.517416627037411,"quality":"inauspicious"},{"name":"Śubha","start":"08:31","end":"09:50","startHours":8.517416627037411,"endHours":9.837915515692263,"quality":"auspicious"},{"name":"Roga","start":"09:50","end":"11:10","startHours":9.837915515692263,"endHours":11.158414404347113,"quality":"inauspicious"},{"name":"Udveg","start":"11:10","end":"12:29","startHours":11.158414404347113,"endHours":12.478913293001963,"quality":"inauspicious"},{"name":"Chala","start":"12:29","end":"13:48","startHours":12.478913293001963,"endHours":13.799412181656814,"quality":"neutral"},{"name":"Labha","start":"13:48","end":"15:07","startHours":13.799412181656814,"endHours":15.119911070311666,"quality":"auspicious"},{"name":"Amṛta","start":"15:07","end":"16:26","startHours":15.119911070311666,"endHours":16.440409958966516,"quality":"auspicious"},{"name":"Kāla","start":"16:26","end":"17:46","startHours":16.440409958966516,"endHours":17.760908847621366,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:46","end":"19:26","startHours":17.760908847621366,"endHours":19.440409958966516,"quality":"auspicious"},{"name":"Amṛta","start":"19:26","end":"21:07","startHours":19.440409958966516,"endHours":21.119911070311666,"quality":"auspicious"},{"name":"Kāla","start":"21:07","end":"22:48","startHours":21.119911070311666,"endHours":22.799412181656812,"quality":"inauspicious"},{"name":"Śubha","start":"22:48","end":"00:29","startHours":22.799412181656812,"endHours":24.478913293001963,"quality":"auspicious"},{"name":"Roga","start":"00:29","end":"02:10","startHours":24.478913293001963,"endHours":26.158414404347113,"quality":"inauspicious"},{"name":"Udveg","start":"02:10","end":"03:50","startHours":26.158414404347113,"endHours":27.83791551569226,"quality":"inauspicious"},{"name":"Chala","start":"03:50","end":"05:31","startHours":27.83791551569226,"endHours":29.51741662703741,"quality":"neutral"},{"name":"Labha","start":"05:31","end":"07:12","startHours":29.51741662703741,"endHours":31.19691773838256,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:12","end":"08:12","startHours":7.19691773838256,"endHours":8.19691773838256,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:12","end":"09:12","startHours":8.19691773838256,"endHours":9.19691773838256,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:12","end":"10:12","startHours":9.19691773838256,"endHours":10.19691773838256,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:12","end":"11:12","startHours":10.19691773838256,"endHours":11.19691773838256,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:12","end":"12:12","startHours":11.19691773838256,"endHours":12.19691773838256,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:12","end":"13:12","startHours":12.19691773838256,"endHours":13.19691773838256,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:12","end":"14:12","startHours":13.19691773838256,"endHours":14.19691773838256,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:12","end":"15:12","startHours":14.19691773838256,"endHours":15.19691773838256,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:12","end":"16:12","startHours":15.19691773838256,"endHours":16.19691773838256,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:12","end":"17:12","startHours":16.19691773838256,"endHours":17.19691773838256,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:12","end":"18:12","startHours":17.19691773838256,"endHours":18.19691773838256,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:12","end":"19:12","startHours":18.19691773838256,"endHours":19.19691773838256,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:12","end":"20:12","startHours":19.19691773838256,"endHours":20.19691773838256,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:12","end":"21:12","startHours":20.19691773838256,"endHours":21.19691773838256,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:12","end":"22:12","startHours":21.19691773838256,"endHours":22.19691773838256,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:12","end":"23:12","startHours":22.19691773838256,"endHours":23.19691773838256,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:12","end":"00:12","startHours":23.19691773838256,"endHours":24.19691773838256,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:12","end":"01:12","startHours":24.19691773838256,"endHours":25.19691773838256,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:12","end":"02:12","startHours":25.19691773838256,"endHours":26.19691773838256,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:12","end":"03:12","startHours":26.19691773838256,"endHours":27.19691773838256,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:12","end":"04:12","startHours":27.19691773838256,"endHours":28.19691773838256,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:12","end":"05:12","startHours":28.19691773838256,"endHours":29.19691773838256,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:12","end":"06:12","startHours":29.19691773838256,"endHours":30.19691773838256,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:12","end":"07:12","startHours":30.19691773838256,"endHours":31.19691773838256,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","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":-19.45785421805163,"eotMinutes":-11.805197580117738,"ayanamsa":24.3847}},"calendars":{"vikram_samvat":2095,"vikram_samvatsara":"Prajāpati","saka_samvat":1960,"saka_samvatsara":"Kālayukta","bengali_samvat":1445,"malayalam_era":1214,"nanakshahi_year":569,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Dvitīyā · Vikram 2095 Prajāpati · Śaka 1960 Kālayukta"},"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}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 23, 2038 CE · Ṛṣikeśa · Vidhyamitra","description":"January 23, 2038 CE for Ṛṣikeśa: Kṛṣṇa Dvitīyā, sūryodaya 07:12, sūryāsta 17:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2038-01-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2038-01-23","sa":"https://sa.vidhyamitra.com/city/rishikesh/2038-01-23","hi":"https://hi.vidhyamitra.com/city/rishikesh/2038-01-23","x-default":"https://vidhyamitra.com/city/rishikesh/2038-01-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T03:43:22.636Z","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":"2026-05-20T03:43:22.636Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T03:43:22.636Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}