{"id":"vidhyamitra:city-day:rishikesh:1929-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1929-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1929-01-13","date_display":"January 13, 1929 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":1929,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2425624.770833,"kali_year":5030,"ahargana":1837159.2708,"sun":{"sidereal_longitude":269.57,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":293.7338,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":24.1638,"elapsed_within_tithi_degrees":0.1638},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":293.7338,"elapsed_within_degrees":0.4005},"yoga":{"number":16,"name":"Siddhi","sum_longitude":203.3038},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1929,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2425624.770833,"ahargana":1837159.2708,"kali_year":5030,"ayanamsa_lahiri":22.8616,"grahas":{"sun":{"sidereal_longitude":269.52685399999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":292.29235399999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false,"latitude":-4.3519},"mars":{"sidereal_longitude":60.54475400000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":285.76785399999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":9.386153999999976,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":315.62155400000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":242.46765400000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":38.4608,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":218.4608,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":1929,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2425624.770833,"kali_year":5030,"ahargana":1837159.2708,"sun":{"sidereal_longitude":269.57,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":293.7338,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":24.1638,"elapsed_within_tithi_degrees":0.1638},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":293.7338,"elapsed_within_degrees":0.4005},"yoga":{"number":16,"name":"Siddhi","sum_longitude":203.3038},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.352,"elongation":24.164},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.352,"opposition_distance":155.836}},"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":"17:37","solarNoonLocal":"12:26","dayLengthHours":10.375446691188735,"dayLengthDisplay":"10 Hours 22 Mins 32 Secs","nightLengthDisplay":"13 Hours 37 Mins 28 Secs","moonriseLocal":"08:33","moonsetLocal":"19:20","rahuKala":{"name":"Rāhu Kāla","start":"16:19","end":"17:37","startHours":16.31688470071867,"endHours":17.61381553711726,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:26","end":"13:43","startHours":12.426092191522894,"endHours":13.723023027921487,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:01","end":"16:19","startHours":15.01995386432008,"endHours":16.31688470071867,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:00","startHours":9.6593064072059,"endHours":10.005154630245524,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:57","startHours":7.670679124728058,"endHours":7.947357703159757,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:46","startHours":12.08024396848327,"endHours":12.771940414562518,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:33","startHours":5.85497595377003,"endHours":6.546672399849278,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:22","end":"07:14","startHours":6.373748288329466,"endHours":7.238368845928528,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:51","startHours":14.155333306721017,"endHours":14.847029752800266,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:25","end":"17:49","startHours":17.413815537117262,"endHours":17.81381553711726,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:37","end":"18:03","startHours":17.61381553711726,"endHours":18.046125815916792,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:22","end":"19:07","startHours":17.36381553711726,"endHours":19.11381553711726,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:46","startHours":24.08024396848327,"endHours":24.77194041456252,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:14","end":"08:32","startHours":7.238368845928528,"endHours":8.53529968232712,"quality":"inauspicious"},{"name":"Chala","start":"08:32","end":"09:50","startHours":8.53529968232712,"endHours":9.832230518725712,"quality":"neutral"},{"name":"Labha","start":"09:50","end":"11:08","startHours":9.832230518725712,"endHours":11.129161355124303,"quality":"auspicious"},{"name":"Amṛta","start":"11:08","end":"12:26","startHours":11.129161355124303,"endHours":12.426092191522894,"quality":"auspicious"},{"name":"Kāla","start":"12:26","end":"13:43","startHours":12.426092191522894,"endHours":13.723023027921487,"quality":"inauspicious"},{"name":"Śubha","start":"13:43","end":"15:01","startHours":13.723023027921487,"endHours":15.01995386432008,"quality":"auspicious"},{"name":"Roga","start":"15:01","end":"16:19","startHours":15.01995386432008,"endHours":16.31688470071867,"quality":"inauspicious"},{"name":"Udveg","start":"16:19","end":"17:37","startHours":16.31688470071867,"endHours":17.61381553711726,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:37","end":"19:19","startHours":17.61381553711726,"endHours":19.31688470071867,"quality":"auspicious"},{"name":"Roga","start":"19:19","end":"21:01","startHours":19.31688470071867,"endHours":21.01995386432008,"quality":"inauspicious"},{"name":"Udveg","start":"21:01","end":"22:43","startHours":21.01995386432008,"endHours":22.723023027921485,"quality":"inauspicious"},{"name":"Chala","start":"22:43","end":"00:26","startHours":22.723023027921485,"endHours":24.426092191522894,"quality":"neutral"},{"name":"Labha","start":"00:26","end":"02:08","startHours":24.426092191522894,"endHours":26.129161355124303,"quality":"auspicious"},{"name":"Amṛta","start":"02:08","end":"03:50","startHours":26.129161355124303,"endHours":27.83223051872571,"quality":"auspicious"},{"name":"Kāla","start":"03:50","end":"05:32","startHours":27.83223051872571,"endHours":29.535299682327118,"quality":"inauspicious"},{"name":"Śubha","start":"05:32","end":"07:14","startHours":29.535299682327118,"endHours":31.238368845928527,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.238368845928528,"endHours":8.238368845928527,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.238368845928527,"endHours":9.238368845928527,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.238368845928527,"endHours":10.238368845928527,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.238368845928527,"endHours":11.238368845928527,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.238368845928527,"endHours":12.238368845928527,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.238368845928527,"endHours":13.238368845928527,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.238368845928527,"endHours":14.238368845928527,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.238368845928527,"endHours":15.238368845928527,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.238368845928527,"endHours":16.238368845928527,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.238368845928527,"endHours":17.238368845928527,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.238368845928527,"endHours":18.238368845928527,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.238368845928527,"endHours":19.238368845928527,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.238368845928527,"endHours":20.238368845928527,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.238368845928527,"endHours":21.238368845928527,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.238368845928527,"endHours":22.238368845928527,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.238368845928527,"endHours":23.238368845928527,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.238368845928527,"endHours":24.238368845928527,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.238368845928527,"endHours":25.238368845928527,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.238368845928527,"endHours":26.238368845928527,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.238368845928527,"endHours":27.238368845928527,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.238368845928527,"endHours":28.238368845928527,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.238368845928527,"endHours":29.238368845928527,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.238368845928527,"endHours":30.238368845928527,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.238368845928527,"endHours":31.238368845928527,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"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":-21.577075023676876,"eotMinutes":-8.635931491373626,"ayanamsa":22.8616}},"calendars":{"vikram_samvat":1986,"vikram_samvatsara":"Citrabhānu","saka_samvat":1851,"saka_samvatsara":"Śukla","bengali_samvat":1336,"malayalam_era":1105,"nanakshahi_year":460,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Tṛtīyā · Vikram 1986 Citrabhānu · Śaka 1851 Śukla"},"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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 13, 1929 CE · Ṛṣikeśa · Vidhyamitra","description":"January 13, 1929 CE for Ṛṣikeśa: Śukla Tṛtīyā, sūryodaya 07:14, sūryāsta 17:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1929-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1929-01-13","sa":"https://sa.vidhyamitra.com/city/rishikesh/1929-01-13","hi":"https://hi.vidhyamitra.com/city/rishikesh/1929-01-13","x-default":"https://vidhyamitra.com/city/rishikesh/1929-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T18:00:08.403Z","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":"2026-05-22T18:00:08.403Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T18:00:08.403Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}