{"id":"vidhyamitra:city-day:rishikesh:2001-08-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2001-08-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-08-25","date_display":"August 25, 2001 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":2001,"month":8,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452146.770833,"kali_year":5103,"ahargana":1863681.2708,"sun":{"sidereal_longitude":127.3822,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":204.7683,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":77.3861,"elapsed_within_tithi_degrees":5.3861},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":204.7683,"elapsed_within_degrees":4.7683},"yoga":{"number":25,"name":"Brahma","sum_longitude":332.1505},"karana":{"half_tithi_index":12,"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":2001,"month":8,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452146.770833,"ahargana":1863681.2708,"kali_year":5103,"ayanamsa_lahiri":23.876,"grahas":{"sun":{"sidereal_longitude":128.04591800000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":208.380218,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":3.3651},"mars":{"sidereal_longitude":239.311918,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":145.149518,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":74.79651799999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":93.58761800000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":50.06961799999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":73.1976,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":253.1976,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":2001,"month":8,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452146.770833,"kali_year":5103,"ahargana":1863681.2708,"sun":{"sidereal_longitude":127.3822,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":204.7683,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":77.3861,"elapsed_within_tithi_degrees":5.3861},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":204.7683,"elapsed_within_degrees":4.7683},"yoga":{"number":25,"name":"Brahma","sum_longitude":332.1505},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.365,"elongation":77.386},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.365,"opposition_distance":102.614}},"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":"05:49","sunsetLocal":"18:48","solarNoonLocal":"12:19","dayLengthHours":12.97681376665548,"dayLengthDisplay":"12 Hours 58 Mins 37 Secs","nightLengthDisplay":"11 Hours 01 Mins 23 Secs","moonriseLocal":"12:21","moonsetLocal":"22:59","rahuKala":{"name":"Rāhu Kāla","start":"09:04","end":"10:41","startHours":9.066413292592836,"endHours":10.68851501342477,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:56","end":"15:33","startHours":13.93271845508864,"endHours":15.554820175920575,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:49","end":"07:27","startHours":5.8222098509289655,"endHours":7.444311571760901,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:17","startHours":8.850133063148578,"endHours":9.282693522037093,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:22","end":"06:43","startHours":6.362910424539611,"endHours":6.708958791650423,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:45","startHours":11.87805627536819,"endHours":12.74317719314522,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:57","startHours":4.091968015374901,"endHours":4.957088933151933,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:44","end":"05:49","startHours":4.740808703707676,"endHours":5.8222098509289655,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:20","startHours":14.473419028699286,"endHours":15.338539946476319,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:36","end":"19:00","startHours":18.599023617584447,"endHours":18.999023617584445,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:48","end":"19:20","startHours":18.799023617584446,"endHours":19.339724191195092,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:33","end":"20:18","startHours":18.549023617584446,"endHours":20.299023617584446,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:45","startHours":23.878056275368188,"endHours":24.743177193145222,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:49","end":"07:27","startHours":5.8222098509289655,"endHours":7.444311571760901,"quality":"inauspicious"},{"name":"Śubha","start":"07:27","end":"09:04","startHours":7.444311571760901,"endHours":9.066413292592836,"quality":"auspicious"},{"name":"Roga","start":"09:04","end":"10:41","startHours":9.066413292592836,"endHours":10.68851501342477,"quality":"inauspicious"},{"name":"Udveg","start":"10:41","end":"12:19","startHours":10.68851501342477,"endHours":12.310616734256705,"quality":"inauspicious"},{"name":"Chala","start":"12:19","end":"13:56","startHours":12.310616734256705,"endHours":13.93271845508864,"quality":"neutral"},{"name":"Labha","start":"13:56","end":"15:33","startHours":13.93271845508864,"endHours":15.554820175920575,"quality":"auspicious"},{"name":"Amṛta","start":"15:33","end":"17:11","startHours":15.554820175920575,"endHours":17.17692189675251,"quality":"auspicious"},{"name":"Kāla","start":"17:11","end":"18:48","startHours":17.17692189675251,"endHours":18.799023617584446,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:48","end":"20:11","startHours":18.799023617584446,"endHours":20.17692189675251,"quality":"auspicious"},{"name":"Amṛta","start":"20:11","end":"21:33","startHours":20.17692189675251,"endHours":21.554820175920575,"quality":"auspicious"},{"name":"Kāla","start":"21:33","end":"22:56","startHours":21.554820175920575,"endHours":22.93271845508864,"quality":"inauspicious"},{"name":"Śubha","start":"22:56","end":"00:19","startHours":22.93271845508864,"endHours":24.310616734256705,"quality":"auspicious"},{"name":"Roga","start":"00:19","end":"01:41","startHours":24.310616734256705,"endHours":25.68851501342477,"quality":"inauspicious"},{"name":"Udveg","start":"01:41","end":"03:04","startHours":25.68851501342477,"endHours":27.066413292592834,"quality":"inauspicious"},{"name":"Chala","start":"03:04","end":"04:27","startHours":27.066413292592834,"endHours":28.4443115717609,"quality":"neutral"},{"name":"Labha","start":"04:27","end":"05:49","startHours":28.4443115717609,"endHours":29.822209850928964,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:49","end":"06:49","startHours":5.8222098509289655,"endHours":6.8222098509289655,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:49","end":"07:49","startHours":6.8222098509289655,"endHours":7.8222098509289655,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:49","end":"08:49","startHours":7.8222098509289655,"endHours":8.822209850928965,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:49","end":"09:49","startHours":8.822209850928965,"endHours":9.822209850928965,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:49","end":"10:49","startHours":9.822209850928965,"endHours":10.822209850928965,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:49","end":"11:49","startHours":10.822209850928965,"endHours":11.822209850928965,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:49","end":"12:49","startHours":11.822209850928965,"endHours":12.822209850928965,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:49","end":"13:49","startHours":12.822209850928965,"endHours":13.822209850928965,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:49","end":"14:49","startHours":13.822209850928965,"endHours":14.822209850928965,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:49","end":"15:49","startHours":14.822209850928965,"endHours":15.822209850928965,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:49","end":"16:49","startHours":15.822209850928965,"endHours":16.822209850928964,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:49","end":"17:49","startHours":16.822209850928964,"endHours":17.822209850928964,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:49","end":"18:49","startHours":17.822209850928964,"endHours":18.822209850928964,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:49","end":"19:49","startHours":18.822209850928964,"endHours":19.822209850928964,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:49","end":"20:49","startHours":19.822209850928964,"endHours":20.822209850928964,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:49","end":"21:49","startHours":20.822209850928964,"endHours":21.822209850928964,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:49","end":"22:49","startHours":21.822209850928964,"endHours":22.822209850928964,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:49","end":"23:49","startHours":22.822209850928964,"endHours":23.822209850928964,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:49","end":"00:49","startHours":23.822209850928964,"endHours":24.822209850928964,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:49","end":"01:49","startHours":24.822209850928964,"endHours":25.822209850928964,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:49","end":"02:49","startHours":25.822209850928964,"endHours":26.822209850928964,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:49","end":"03:49","startHours":26.822209850928964,"endHours":27.822209850928964,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:49","end":"04:49","startHours":27.822209850928964,"endHours":28.822209850928964,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:49","end":"05:49","startHours":28.822209850928964,"endHours":29.822209850928964,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":10.789569313507338,"eotMinutes":-1.7074040554023546,"ayanamsa":23.876}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Saptamī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"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":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","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 August 25, 2001 CE · Ṛṣikeśa · Vidhyamitra","description":"August 25, 2001 CE for Ṛṣikeśa: Śukla Saptamī, sūryodaya 05:49, sūryāsta 18:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2001-08-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2001-08-25","sa":"https://sa.vidhyamitra.com/city/rishikesh/2001-08-25","hi":"https://hi.vidhyamitra.com/city/rishikesh/2001-08-25","x-default":"https://vidhyamitra.com/city/rishikesh/2001-08-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T00:22:30.437Z","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":"2026-05-17T00:22:30.437Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T00:22:30.437Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}