{"id":"vidhyamitra:city-day:rishikesh:2025-08-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2025-08-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2025-08-23","date_display":"August 23, 2025 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":2025,"month":8,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460910.770833,"kali_year":5127,"ahargana":1872445.2708,"sun":{"sidereal_longitude":125.261,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":124.3679,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":359.1068,"elapsed_within_tithi_degrees":11.1068},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":124.3679,"elapsed_within_degrees":4.3679},"yoga":{"number":19,"name":"Parigha","sum_longitude":249.6289},"karana":{"half_tithi_index":59,"name":"Nāga"},"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":2025,"month":8,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460910.770833,"ahargana":1872445.2708,"kali_year":5127,"ayanamsa_lahiri":24.2112,"grahas":{"sun":{"sidereal_longitude":125.97316899999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":123.372569,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":1.8624},"mars":{"sidereal_longitude":165.55496900000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":107.72526900000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":81.89806900000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":92.29426899999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":336.463369,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":328.8387,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":148.8387,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2025,"month":8,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460910.770833,"kali_year":5127,"ahargana":1872445.2708,"sun":{"sidereal_longitude":125.261,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":124.3679,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":359.1068,"elapsed_within_tithi_degrees":11.1068},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":124.3679,"elapsed_within_degrees":4.3679},"yoga":{"number":19,"name":"Parigha","sum_longitude":249.6289},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.862,"elongation":0.893},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.862,"opposition_distance":179.107}},"eclipse_window_40days":[{"offset_days":16,"type":"lunar","occurs":true,"moon_latitude":-0.388,"opposition_distance":2.369}]},"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":"05:48","sunsetLocal":"18:50","solarNoonLocal":"12:19","dayLengthHours":13.026957468682058,"dayLengthDisplay":"13 Hours 01 Mins 37 Secs","nightLengthDisplay":"10 Hours 58 Mins 23 Secs","moonriseLocal":"05:37","moonsetLocal":"18:41","rahuKala":{"name":"Rāhu Kāla","start":"09:04","end":"10:41","startHours":9.063230161426548,"endHours":10.691599845011805,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:57","end":"15:35","startHours":13.94833921218232,"endHours":15.576708895767577,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:48","end":"07:26","startHours":5.8064907942560335,"endHours":7.434860477841291,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:17","startHours":8.84611420361518,"endHours":9.280346119237915,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:42","startHours":6.349280688784453,"endHours":6.696666221282641,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:45","startHours":11.885737612974328,"endHours":12.754201444219799,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:04","end":"04:56","startHours":4.069563131765093,"endHours":4.938026963010563,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:43","end":"05:48","startHours":4.720911005199195,"endHours":5.8064907942560335,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:22","startHours":14.491129106710739,"endHours":15.35959293795621,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:38","end":"19:02","startHours":18.633448262938092,"endHours":19.03344826293809,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:50","end":"19:23","startHours":18.83344826293809,"endHours":19.37623815746651,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:35","end":"20:20","startHours":18.58344826293809,"endHours":20.33344826293809,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:45","startHours":23.885737612974328,"endHours":24.7542014442198,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:48","end":"07:26","startHours":5.8064907942560335,"endHours":7.434860477841291,"quality":"inauspicious"},{"name":"Śubha","start":"07:26","end":"09:04","startHours":7.434860477841291,"endHours":9.063230161426548,"quality":"auspicious"},{"name":"Roga","start":"09:04","end":"10:41","startHours":9.063230161426548,"endHours":10.691599845011805,"quality":"inauspicious"},{"name":"Udveg","start":"10:41","end":"12:19","startHours":10.691599845011805,"endHours":12.319969528597063,"quality":"inauspicious"},{"name":"Chala","start":"12:19","end":"13:57","startHours":12.319969528597063,"endHours":13.94833921218232,"quality":"neutral"},{"name":"Labha","start":"13:57","end":"15:35","startHours":13.94833921218232,"endHours":15.576708895767577,"quality":"auspicious"},{"name":"Amṛta","start":"15:35","end":"17:12","startHours":15.576708895767577,"endHours":17.205078579352836,"quality":"auspicious"},{"name":"Kāla","start":"17:12","end":"18:50","startHours":17.205078579352836,"endHours":18.83344826293809,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:50","end":"20:12","startHours":18.83344826293809,"endHours":20.205078579352833,"quality":"auspicious"},{"name":"Amṛta","start":"20:12","end":"21:35","startHours":20.205078579352833,"endHours":21.576708895767577,"quality":"auspicious"},{"name":"Kāla","start":"21:35","end":"22:57","startHours":21.576708895767577,"endHours":22.94833921218232,"quality":"inauspicious"},{"name":"Śubha","start":"22:57","end":"00:19","startHours":22.94833921218232,"endHours":24.319969528597063,"quality":"auspicious"},{"name":"Roga","start":"00:19","end":"01:41","startHours":24.319969528597063,"endHours":25.691599845011805,"quality":"inauspicious"},{"name":"Udveg","start":"01:41","end":"03:04","startHours":25.691599845011805,"endHours":27.063230161426546,"quality":"inauspicious"},{"name":"Chala","start":"03:04","end":"04:26","startHours":27.063230161426546,"endHours":28.43486047784129,"quality":"neutral"},{"name":"Labha","start":"04:26","end":"05:48","startHours":28.43486047784129,"endHours":29.806490794256035,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:48","end":"06:48","startHours":5.8064907942560335,"endHours":6.8064907942560335,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:48","end":"07:48","startHours":6.8064907942560335,"endHours":7.8064907942560335,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:48","end":"08:48","startHours":7.8064907942560335,"endHours":8.806490794256034,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:48","end":"09:48","startHours":8.806490794256034,"endHours":9.806490794256034,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:48","end":"10:48","startHours":9.806490794256034,"endHours":10.806490794256034,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:48","end":"11:48","startHours":10.806490794256034,"endHours":11.806490794256034,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:48","end":"12:48","startHours":11.806490794256034,"endHours":12.806490794256034,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:48","end":"13:48","startHours":12.806490794256034,"endHours":13.806490794256034,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:48","end":"14:48","startHours":13.806490794256034,"endHours":14.806490794256034,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:48","end":"15:48","startHours":14.806490794256034,"endHours":15.806490794256034,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:48","end":"16:48","startHours":15.806490794256034,"endHours":16.806490794256035,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:48","end":"17:48","startHours":16.806490794256035,"endHours":17.806490794256035,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:48","end":"18:48","startHours":17.806490794256035,"endHours":18.806490794256035,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:48","end":"19:48","startHours":18.806490794256035,"endHours":19.806490794256035,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:48","end":"20:48","startHours":19.806490794256035,"endHours":20.806490794256035,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:48","end":"21:48","startHours":20.806490794256035,"endHours":21.806490794256035,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:48","end":"22:48","startHours":21.806490794256035,"endHours":22.806490794256035,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:48","end":"23:48","startHours":22.806490794256035,"endHours":23.806490794256035,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:48","end":"00:48","startHours":23.806490794256035,"endHours":24.806490794256035,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:48","end":"01:48","startHours":24.806490794256035,"endHours":25.806490794256035,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:48","end":"02:48","startHours":25.806490794256035,"endHours":26.806490794256035,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:48","end":"03:48","startHours":26.806490794256035,"endHours":27.806490794256035,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:48","end":"04:48","startHours":27.806490794256035,"endHours":28.806490794256035,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:48","end":"05:48","startHours":28.806490794256035,"endHours":29.806490794256035,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"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":11.405814965075537,"eotMinutes":-2.2685717158237404,"ayanamsa":24.2112}},"calendars":{"vikram_samvat":2082,"vikram_samvatsara":"Kālayukta","saka_samvat":1947,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1432,"malayalam_era":1201,"nanakshahi_year":556,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Amāvasyā · Vikram 2082 Kālayukta · Śaka 1947 Viśvāvasu"},"festivals":[{"id":"mahalaya-amavasya","name":"Mahālaya Amāvasyā (Sarvapitṛ Amāvasyā)","name_sanskrit":"महालय अमावस्या","tradition":"Pan-Hindu","associated_deity":"Pitṛ-deva","significance":"Final day of Pitṛ-Pakṣa; tarpaṇa for all ancestors.","vrata":true,"detection":{"tithi_number":30,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":1},{"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","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 23, 2025 CE · Ṛṣikeśa · Vidhyamitra","description":"August 23, 2025 CE for Ṛṣikeśa: Kṛṣṇa Amāvasyā, sūryodaya 05:48, sūryāsta 18:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2025-08-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2025-08-23","sa":"https://sa.vidhyamitra.com/city/rishikesh/2025-08-23","hi":"https://hi.vidhyamitra.com/city/rishikesh/2025-08-23","x-default":"https://vidhyamitra.com/city/rishikesh/2025-08-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T05:42:08.677Z","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":"2026-05-15T05:42:08.677Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T05:42:08.677Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}