{"id":"vidhyamitra:city-day:rishikesh:2103-01-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2103-01-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2103-01-23","date_display":"January 23, 2103 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":2103,"month":1,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489186.770833,"kali_year":5204,"ahargana":1900721.2708,"sun":{"sidereal_longitude":276.7303,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":95.2488,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":178.5186,"elapsed_within_tithi_degrees":10.5186},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":95.2488,"elapsed_within_degrees":1.9155},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":11.9791},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2103,"month":1,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2489186.770833,"ahargana":1900721.2708,"kali_year":5204,"ayanamsa_lahiri":25.2927,"grahas":{"sun":{"sidereal_longitude":277.035718,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":94.36561800000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false,"latitude":-0.3612},"mars":{"sidereal_longitude":257.9585179999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":254.36691799999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":255.70691799999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":303.400618,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":213.73951799999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":270.6402,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":90.6402,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"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":2103,"month":1,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489186.770833,"kali_year":5204,"ahargana":1900721.2708,"sun":{"sidereal_longitude":276.7303,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":95.2488,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":178.5186,"elapsed_within_tithi_degrees":10.5186},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":95.2488,"elapsed_within_degrees":1.9155},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":11.9791},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.361,"elongation":178.519},"lunar":{"type":"lunar","occurs":true,"moon_latitude":-0.361,"opposition_distance":1.481}},"eclipse_window_40days":[{"offset_days":-14,"type":"solar","occurs":true,"moon_latitude":-0.501,"elongation":2.631},{"offset_days":0,"type":"lunar","occurs":true,"moon_latitude":-0.361,"opposition_distance":1.481}]},"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":"17:45","solarNoonLocal":"12:29","dayLengthHours":10.548157347954762,"dayLengthDisplay":"10 Hours 32 Mins 53 Secs","nightLengthDisplay":"13 Hours 27 Mins 07 Secs","moonriseLocal":"17:26","moonsetLocal":"07:10","rahuKala":{"name":"Rāhu Kāla","start":"15:07","end":"16:26","startHours":15.115952629990653,"endHours":16.434472298484998,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:51","end":"11:10","startHours":9.841873956013274,"endHours":11.160393624507618,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:29","end":"13:48","startHours":12.478913293001963,"endHours":13.797432961496309,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.666071333547361,"endHours":10.017676578479186,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:39","end":"07:56","startHours":7.644341175189364,"endHours":7.925625371134824,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:50","startHours":12.127308048070137,"endHours":12.830518537933788,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:48","end":"06:30","startHours":5.798413639297281,"endHours":6.501624129160932,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:20","end":"07:12","startHours":6.32582150669502,"endHours":7.204834619024583,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"14:56","startHours":14.23693951766109,"endHours":14.94015000752474,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:33","end":"17:57","startHours":17.552991966979345,"endHours":17.952991966979344,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:45","end":"18:12","startHours":17.752991966979344,"endHours":18.192498523144128,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:30","end":"19:15","startHours":17.502991966979344,"endHours":19.252991966979344,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:50","startHours":24.127308048070137,"endHours":24.830518537933788,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:12","end":"08:31","startHours":7.204834619024583,"endHours":8.523354287518927,"quality":"inauspicious"},{"name":"Udveg","start":"08:31","end":"09:51","startHours":8.523354287518927,"endHours":9.841873956013274,"quality":"inauspicious"},{"name":"Chala","start":"09:51","end":"11:10","startHours":9.841873956013274,"endHours":11.160393624507618,"quality":"neutral"},{"name":"Labha","start":"11:10","end":"12:29","startHours":11.160393624507618,"endHours":12.478913293001963,"quality":"auspicious"},{"name":"Amṛta","start":"12:29","end":"13:48","startHours":12.478913293001963,"endHours":13.797432961496309,"quality":"auspicious"},{"name":"Kāla","start":"13:48","end":"15:07","startHours":13.797432961496309,"endHours":15.115952629990653,"quality":"inauspicious"},{"name":"Śubha","start":"15:07","end":"16:26","startHours":15.115952629990653,"endHours":16.434472298484998,"quality":"auspicious"},{"name":"Roga","start":"16:26","end":"17:45","startHours":16.434472298484998,"endHours":17.752991966979344,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:45","end":"19:26","startHours":17.752991966979344,"endHours":19.434472298484998,"quality":"inauspicious"},{"name":"Śubha","start":"19:26","end":"21:07","startHours":19.434472298484998,"endHours":21.115952629990655,"quality":"auspicious"},{"name":"Roga","start":"21:07","end":"22:48","startHours":21.115952629990655,"endHours":22.79743296149631,"quality":"inauspicious"},{"name":"Udveg","start":"22:48","end":"00:29","startHours":22.79743296149631,"endHours":24.478913293001963,"quality":"inauspicious"},{"name":"Chala","start":"00:29","end":"02:10","startHours":24.478913293001963,"endHours":26.16039362450762,"quality":"neutral"},{"name":"Labha","start":"02:10","end":"03:51","startHours":26.16039362450762,"endHours":27.841873956013274,"quality":"auspicious"},{"name":"Amṛta","start":"03:51","end":"05:31","startHours":27.841873956013274,"endHours":29.523354287518927,"quality":"auspicious"},{"name":"Kāla","start":"05:31","end":"07:12","startHours":29.523354287518927,"endHours":31.20483461902458,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:12","end":"08:12","startHours":7.204834619024583,"endHours":8.204834619024583,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:12","end":"09:12","startHours":8.204834619024583,"endHours":9.204834619024583,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:12","end":"10:12","startHours":9.204834619024583,"endHours":10.204834619024583,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:12","end":"11:12","startHours":10.204834619024583,"endHours":11.204834619024583,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:12","end":"12:12","startHours":11.204834619024583,"endHours":12.204834619024583,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:12","end":"13:12","startHours":12.204834619024583,"endHours":13.204834619024583,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:12","end":"14:12","startHours":13.204834619024583,"endHours":14.204834619024583,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:12","end":"15:12","startHours":14.204834619024583,"endHours":15.204834619024583,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:12","end":"16:12","startHours":15.204834619024583,"endHours":16.20483461902458,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:12","end":"17:12","startHours":16.20483461902458,"endHours":17.20483461902458,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:12","end":"18:12","startHours":17.20483461902458,"endHours":18.20483461902458,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:12","end":"19:12","startHours":18.20483461902458,"endHours":19.20483461902458,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:12","end":"20:12","startHours":19.20483461902458,"endHours":20.20483461902458,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:12","end":"21:12","startHours":20.20483461902458,"endHours":21.20483461902458,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:12","end":"22:12","startHours":21.20483461902458,"endHours":22.20483461902458,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:12","end":"23:12","startHours":22.20483461902458,"endHours":23.20483461902458,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:12","end":"00:12","startHours":23.20483461902458,"endHours":24.20483461902458,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:12","end":"01:12","startHours":24.20483461902458,"endHours":25.20483461902458,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:12","end":"02:12","startHours":25.20483461902458,"endHours":26.20483461902458,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:12","end":"03:12","startHours":26.20483461902458,"endHours":27.20483461902458,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:12","end":"04:12","startHours":27.20483461902458,"endHours":28.20483461902458,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:12","end":"05:12","startHours":28.20483461902458,"endHours":29.20483461902458,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:12","end":"06:12","startHours":29.20483461902458,"endHours":30.20483461902458,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:12","end":"07:12","startHours":30.20483461902458,"endHours":31.20483461902458,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Utpāta","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":-19.638384711194757,"eotMinutes":-11.805197580117738,"ayanamsa":25.2927}},"calendars":{"vikram_samvat":2160,"vikram_samvatsara":"Dhātṛ","saka_samvat":2025,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1510,"malayalam_era":1279,"nanakshahi_year":634,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Pūrṇimā · Vikram 2160 Dhātṛ · Śaka 2025 Rudhirodgāri"},"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":"magha-purnima","name":"Māghī Pūrṇimā","name_sanskrit":"माघी पूर्णिमा","tradition":"Pan-Hindu","significance":"Sacred snāna at Prayāga; Māgha-snāna culmination.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2},{"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 January 23, 2103 CE · Ṛṣikeśa · Vidhyamitra","description":"January 23, 2103 CE for Ṛṣikeśa: Śukla Pūrṇimā, sūryodaya 07:12, sūryāsta 17:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2103-01-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2103-01-23","sa":"https://sa.vidhyamitra.com/city/rishikesh/2103-01-23","hi":"https://hi.vidhyamitra.com/city/rishikesh/2103-01-23","x-default":"https://vidhyamitra.com/city/rishikesh/2103-01-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T07:21:29.070Z","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":"2026-05-21T07:21:29.070Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T07:21:29.070Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}