{"id":"vidhyamitra:city-day:rishikesh:2081-10-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2081-10-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2081-10-25","date_display":"October 25, 2081 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":2081,"month":10,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2481427.770833,"kali_year":5183,"ahargana":1892962.2708,"sun":{"sidereal_longitude":186.4038,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":93.7825,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":267.3788,"elapsed_within_tithi_degrees":3.3788},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":93.7825,"elapsed_within_degrees":0.4492},"yoga":{"number":22,"name":"Sādhya","sum_longitude":280.1863},"karana":{"half_tithi_index":44,"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":2081,"month":10,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2481427.770833,"ahargana":1892962.2708,"kali_year":5183,"ayanamsa_lahiri":24.9959,"grahas":{"sun":{"sidereal_longitude":187.31266899999991,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":91.95166899999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":3.3409},"mars":{"sidereal_longitude":161.38766899999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":174.21606900000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":322.94156899999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":172.48316899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":295.126669,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":321.7493,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":141.7493,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"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":2081,"month":10,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2481427.770833,"kali_year":5183,"ahargana":1892962.2708,"sun":{"sidereal_longitude":186.4038,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":93.7825,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":267.3788,"elapsed_within_tithi_degrees":3.3788},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":93.7825,"elapsed_within_degrees":0.4492},"yoga":{"number":22,"name":"Sādhya","sum_longitude":280.1863},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.341,"elongation":92.621},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.341,"opposition_distance":87.379}},"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":"06:26","sunsetLocal":"17:36","solarNoonLocal":"12:01","dayLengthHours":11.166802890286139,"dayLengthDisplay":"11 Hours 10 Mins 00 Secs","nightLengthDisplay":"12 Hours 50 Mins 00 Secs","moonriseLocal":"22:46","moonsetLocal":"12:33","rahuKala":{"name":"Rāhu Kāla","start":"09:13","end":"10:37","startHours":9.219878292979033,"endHours":10.6157286542648,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:24","end":"14:48","startHours":13.407429376836333,"endHours":14.803279738122104,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:26","end":"07:49","startHours":6.428177570407498,"endHours":7.824027931693266,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:24","startHours":9.033764911474265,"endHours":9.4059916744838,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:11","startHours":6.8934610241694205,"endHours":7.191242434577051,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:23","startHours":11.63935225254103,"endHours":12.383805778560106,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:56","end":"05:41","startHours":4.939270518369346,"endHours":5.683724044388422,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:30","end":"06:26","startHours":5.497610662883653,"endHours":6.428177570407498,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:52","end":"14:37","startHours":13.872712830598257,"endHours":14.617166356617332,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:24","end":"17:48","startHours":17.39498046069364,"endHours":17.794980460693637,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:36","end":"18:04","startHours":17.594980460693638,"endHours":18.06026391445556,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:21","end":"19:06","startHours":17.344980460693638,"endHours":19.094980460693638,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:23","startHours":23.639352252541027,"endHours":24.383805778560106,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:26","end":"07:49","startHours":6.428177570407498,"endHours":7.824027931693266,"quality":"inauspicious"},{"name":"Śubha","start":"07:49","end":"09:13","startHours":7.824027931693266,"endHours":9.219878292979033,"quality":"auspicious"},{"name":"Roga","start":"09:13","end":"10:37","startHours":9.219878292979033,"endHours":10.6157286542648,"quality":"inauspicious"},{"name":"Udveg","start":"10:37","end":"12:01","startHours":10.6157286542648,"endHours":12.011579015550566,"quality":"inauspicious"},{"name":"Chala","start":"12:01","end":"13:24","startHours":12.011579015550566,"endHours":13.407429376836333,"quality":"neutral"},{"name":"Labha","start":"13:24","end":"14:48","startHours":13.407429376836333,"endHours":14.803279738122104,"quality":"auspicious"},{"name":"Amṛta","start":"14:48","end":"16:12","startHours":14.803279738122104,"endHours":16.19913009940787,"quality":"auspicious"},{"name":"Kāla","start":"16:12","end":"17:36","startHours":16.19913009940787,"endHours":17.594980460693638,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:36","end":"19:12","startHours":17.594980460693638,"endHours":19.19913009940787,"quality":"auspicious"},{"name":"Amṛta","start":"19:12","end":"20:48","startHours":19.19913009940787,"endHours":20.803279738122104,"quality":"auspicious"},{"name":"Kāla","start":"20:48","end":"22:24","startHours":20.803279738122104,"endHours":22.407429376836333,"quality":"inauspicious"},{"name":"Śubha","start":"22:24","end":"00:01","startHours":22.407429376836333,"endHours":24.011579015550566,"quality":"auspicious"},{"name":"Roga","start":"00:01","end":"01:37","startHours":24.011579015550566,"endHours":25.6157286542648,"quality":"inauspicious"},{"name":"Udveg","start":"01:37","end":"03:13","startHours":25.6157286542648,"endHours":27.219878292979033,"quality":"inauspicious"},{"name":"Chala","start":"03:13","end":"04:49","startHours":27.219878292979033,"endHours":28.824027931693266,"quality":"neutral"},{"name":"Labha","start":"04:49","end":"06:26","startHours":28.824027931693266,"endHours":30.4281775704075,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:26","end":"07:26","startHours":6.428177570407498,"endHours":7.428177570407498,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:26","end":"08:26","startHours":7.428177570407498,"endHours":8.428177570407499,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:26","end":"09:26","startHours":8.428177570407499,"endHours":9.428177570407499,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:26","end":"10:26","startHours":9.428177570407499,"endHours":10.428177570407499,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:26","end":"11:26","startHours":10.428177570407499,"endHours":11.428177570407499,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:26","end":"12:26","startHours":11.428177570407499,"endHours":12.428177570407499,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:26","end":"13:26","startHours":12.428177570407499,"endHours":13.428177570407499,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:26","end":"14:26","startHours":13.428177570407499,"endHours":14.428177570407499,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:26","end":"15:26","startHours":14.428177570407499,"endHours":15.428177570407499,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:26","end":"16:26","startHours":15.428177570407499,"endHours":16.4281775704075,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:26","end":"17:26","startHours":16.4281775704075,"endHours":17.4281775704075,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:26","end":"18:26","startHours":17.4281775704075,"endHours":18.4281775704075,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:26","end":"19:26","startHours":18.4281775704075,"endHours":19.4281775704075,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:26","end":"20:26","startHours":19.4281775704075,"endHours":20.4281775704075,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:26","end":"21:26","startHours":20.4281775704075,"endHours":21.4281775704075,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:26","end":"22:26","startHours":21.4281775704075,"endHours":22.4281775704075,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:26","end":"23:26","startHours":22.4281775704075,"endHours":23.4281775704075,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:26","end":"00:26","startHours":23.4281775704075,"endHours":24.4281775704075,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:26","end":"01:26","startHours":24.4281775704075,"endHours":25.4281775704075,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:26","end":"02:26","startHours":25.4281775704075,"endHours":26.4281775704075,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:26","end":"03:26","startHours":26.4281775704075,"endHours":27.4281775704075,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:26","end":"04:26","startHours":27.4281775704075,"endHours":28.4281775704075,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:26","end":"05:26","startHours":28.4281775704075,"endHours":29.4281775704075,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:26","end":"06:26","startHours":29.4281775704075,"endHours":30.4281775704075,"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.273563566476748,"eotMinutes":16.234859066965946,"ayanamsa":24.9959}},"calendars":{"vikram_samvat":2138,"vikram_samvatsara":"Ānanda","saka_samvat":2003,"saka_samvatsara":"Plava","bengali_samvat":1488,"malayalam_era":1257,"nanakshahi_year":612,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Aṣṭamī · Vikram 2138 Ānanda · Śaka 2003 Plava"},"festivals":[],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 October 25, 2081 CE · Ṛṣikeśa · Vidhyamitra","description":"October 25, 2081 CE for Ṛṣikeśa: Kṛṣṇa Aṣṭamī, sūryodaya 06:26, sūryāsta 17:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2081-10-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2081-10-25","sa":"https://sa.vidhyamitra.com/city/rishikesh/2081-10-25","hi":"https://hi.vidhyamitra.com/city/rishikesh/2081-10-25","x-default":"https://vidhyamitra.com/city/rishikesh/2081-10-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T03:57:43.076Z","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":"2026-06-01T03:57:43.076Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T03:57:43.076Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}