{"id":"vidhyamitra:city-day:rishikesh:1958-01-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1958-01-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1958-01-25","date_display":"January 25, 1958 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":1958,"month":1,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436228.770833,"kali_year":5059,"ahargana":1847763.2708,"sun":{"sidereal_longitude":281.3624,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":341.2934,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":59.931,"elapsed_within_tithi_degrees":11.931},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":341.2934,"elapsed_within_degrees":7.9601},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.6558},"karana":{"half_tithi_index":9,"name":"Bālava"},"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":1958,"month":1,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2436228.770833,"ahargana":1847763.2708,"kali_year":5059,"ayanamsa_lahiri":23.2672,"grahas":{"sun":{"sidereal_longitude":281.29550300000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":338.167903,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":2.5996},"mars":{"sidereal_longitude":240.42020300000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":259.414403,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":187.96500300000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":287.91280299999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":239.150803,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":196.6099,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":16.6099,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":1958,"month":1,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2436228.770833,"kali_year":5059,"ahargana":1847763.2708,"sun":{"sidereal_longitude":281.3624,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":341.2934,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":59.931,"elapsed_within_tithi_degrees":11.931},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":341.2934,"elapsed_within_degrees":7.9601},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.6558},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.6,"elongation":59.931},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.6,"opposition_distance":120.069}},"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":"17:47","solarNoonLocal":"12:29","dayLengthHours":10.593583310553988,"dayLengthDisplay":"10 Hours 35 Mins 37 Secs","nightLengthDisplay":"13 Hours 24 Mins 23 Secs","moonriseLocal":"10:13","moonsetLocal":"22:21","rahuKala":{"name":"Rāhu Kāla","start":"09:50","end":"11:10","startHours":9.838909647727359,"endHours":11.163107561546608,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:49","end":"15:08","startHours":13.811503389185106,"endHours":15.135701303004353,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:11","end":"08:31","startHours":7.190513820088863,"endHours":8.514711733908111,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.662349925884794,"endHours":10.015469369569926,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:55","startHours":7.631913124695279,"endHours":7.914408679643385,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:50","startHours":12.134186031680725,"endHours":12.84042491905099,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:47","end":"06:29","startHours":5.7780360453483315,"endHours":6.484274932718597,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:11","startHours":6.30771521087603,"endHours":7.190513820088863,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"14:58","startHours":14.252902693791523,"endHours":14.959141581161788,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:35","end":"17:59","startHours":17.584097130642853,"endHours":17.98409713064285,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:47","end":"18:14","startHours":17.784097130642852,"endHours":18.22549643524927,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:32","end":"19:17","startHours":17.534097130642852,"endHours":19.284097130642852,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:50","startHours":24.134186031680724,"endHours":24.840424919050992,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:11","end":"08:31","startHours":7.190513820088863,"endHours":8.514711733908111,"quality":"inauspicious"},{"name":"Śubha","start":"08:31","end":"09:50","startHours":8.514711733908111,"endHours":9.838909647727359,"quality":"auspicious"},{"name":"Roga","start":"09:50","end":"11:10","startHours":9.838909647727359,"endHours":11.163107561546608,"quality":"inauspicious"},{"name":"Udveg","start":"11:10","end":"12:29","startHours":11.163107561546608,"endHours":12.487305475365858,"quality":"inauspicious"},{"name":"Chala","start":"12:29","end":"13:49","startHours":12.487305475365858,"endHours":13.811503389185106,"quality":"neutral"},{"name":"Labha","start":"13:49","end":"15:08","startHours":13.811503389185106,"endHours":15.135701303004353,"quality":"auspicious"},{"name":"Amṛta","start":"15:08","end":"16:28","startHours":15.135701303004353,"endHours":16.459899216823604,"quality":"auspicious"},{"name":"Kāla","start":"16:28","end":"17:47","startHours":16.459899216823604,"endHours":17.784097130642852,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:47","end":"19:28","startHours":17.784097130642852,"endHours":19.459899216823604,"quality":"auspicious"},{"name":"Amṛta","start":"19:28","end":"21:08","startHours":19.459899216823604,"endHours":21.135701303004353,"quality":"auspicious"},{"name":"Kāla","start":"21:08","end":"22:49","startHours":21.135701303004353,"endHours":22.811503389185106,"quality":"inauspicious"},{"name":"Śubha","start":"22:49","end":"00:29","startHours":22.811503389185106,"endHours":24.487305475365858,"quality":"auspicious"},{"name":"Roga","start":"00:29","end":"02:10","startHours":24.487305475365858,"endHours":26.16310756154661,"quality":"inauspicious"},{"name":"Udveg","start":"02:10","end":"03:50","startHours":26.16310756154661,"endHours":27.838909647727363,"quality":"inauspicious"},{"name":"Chala","start":"03:50","end":"05:31","startHours":27.838909647727363,"endHours":29.51471173390811,"quality":"neutral"},{"name":"Labha","start":"05:31","end":"07:11","startHours":29.51471173390811,"endHours":31.190513820088864,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.190513820088863,"endHours":8.190513820088864,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.190513820088864,"endHours":9.190513820088864,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.190513820088864,"endHours":10.190513820088864,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.190513820088864,"endHours":11.190513820088864,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.190513820088864,"endHours":12.190513820088864,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.190513820088864,"endHours":13.190513820088864,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.190513820088864,"endHours":14.190513820088864,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.190513820088864,"endHours":15.190513820088864,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.190513820088864,"endHours":16.190513820088864,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.190513820088864,"endHours":17.190513820088864,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.190513820088864,"endHours":18.190513820088864,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.190513820088864,"endHours":19.190513820088864,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.190513820088864,"endHours":20.190513820088864,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.190513820088864,"endHours":21.190513820088864,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.190513820088864,"endHours":22.190513820088864,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.190513820088864,"endHours":23.190513820088864,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.190513820088864,"endHours":24.190513820088864,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.190513820088864,"endHours":25.190513820088864,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.190513820088864,"endHours":26.190513820088864,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.190513820088864,"endHours":27.190513820088864,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.190513820088864,"endHours":28.190513820088864,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.190513820088864,"endHours":29.190513820088864,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.190513820088864,"endHours":30.190513820088864,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.190513820088864,"endHours":31.190513820088864,"planetary_lord":"Mercury"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Mausala","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":-19.119228292254665,"eotMinutes":-12.308728521951446,"ayanamsa":23.2672}},"calendars":{"vikram_samvat":2015,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1880,"saka_samvatsara":"Vilambī","bengali_samvat":1365,"malayalam_era":1134,"nanakshahi_year":489,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Pañcamī · Vikram 2015 Virodhakṛt · Śaka 1880 Vilambī"},"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":"sarasvati-jayanti","name":"Sarasvatī Jayantī (Vasanta Pañchamī)","name_sanskrit":"सरस्वती जयन्ती / वसन्त पञ्चमी","tradition":"Pan-Hindu","associated_deity":"Sarasvatī (Vāk-tattva)","significance":"Manifestation of Devī Sarasvatī; vidyā-ārambha day; vasanta-ṛtu begins.","vrata":true,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Skanda Purāṇa","Devī Bhāgavata"]},{"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 25, 1958 CE · Ṛṣikeśa · Vidhyamitra","description":"January 25, 1958 CE for Ṛṣikeśa: Śukla Pañcamī, sūryodaya 07:11, sūryāsta 17:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1958-01-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1958-01-25","sa":"https://sa.vidhyamitra.com/city/rishikesh/1958-01-25","hi":"https://hi.vidhyamitra.com/city/rishikesh/1958-01-25","x-default":"https://vidhyamitra.com/city/rishikesh/1958-01-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T11:42:00.541Z","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":"2026-05-24T11:42:00.542Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T11:42:00.542Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}