{"id":"vidhyamitra:city-day:rishikesh:2151-08-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2151-08-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2151-08-12","date_display":"August 12, 2151 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":2151,"month":8,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2506919.770833,"kali_year":5253,"ahargana":1918454.2708,"sun":{"sidereal_longitude":112.2541,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":108.5488,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":356.2947,"elapsed_within_tithi_degrees":8.2947},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":108.5488,"elapsed_within_degrees":1.8821},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":220.8028},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2151,"month":8,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2506919.770833,"ahargana":1918454.2708,"kali_year":5253,"ayanamsa_lahiri":25.9709,"grahas":{"sun":{"sidereal_longitude":113.20498700000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":109.25378699999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false,"latitude":3.7936},"mars":{"sidereal_longitude":153.83508700000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":94.940987,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":283.122387,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":true},"venus":{"sidereal_longitude":72.45378700000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":82.719987,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":51.0605,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":231.0605,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2151,"month":8,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2506919.770833,"kali_year":5253,"ahargana":1918454.2708,"sun":{"sidereal_longitude":112.2541,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":108.5488,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":356.2947,"elapsed_within_tithi_degrees":8.2947},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":108.5488,"elapsed_within_degrees":1.8821},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":220.8028},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.794,"elongation":3.705},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.794,"opposition_distance":176.295}},"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":"05:42","sunsetLocal":"19:02","solarNoonLocal":"12:22","dayLengthHours":13.33149618913098,"dayLengthDisplay":"13 Hours 19 Mins 53 Secs","nightLengthDisplay":"10 Hours 40 Mins 07 Secs","moonriseLocal":"05:24","moonsetLocal":"18:48","rahuKala":{"name":"Rāhu Kāla","start":"14:02","end":"15:42","startHours":14.027583704238758,"endHours":15.694020727880131,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:42","end":"07:22","startHours":5.695398586031896,"endHours":7.361835609673268,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:02","end":"10:42","startHours":9.028272633314641,"endHours":10.694709656956014,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:48","end":"09:15","startHours":8.806081030162458,"endHours":9.250464236466824,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:15","end":"06:36","startHours":6.250877593912353,"endHours":6.606384158955846,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:48","startHours":11.91676347429302,"endHours":12.805529886901752,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:55","end":"04:48","startHours":3.917865760814432,"endHours":4.806632173423164,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:35","end":"05:42","startHours":4.584440570270981,"endHours":5.695398586031896,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:35","end":"15:28","startHours":14.583062712119215,"endHours":15.471829124727947,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:50","end":"19:14","startHours":18.826894775162877,"endHours":19.226894775162876,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:02","end":"19:35","startHours":19.026894775162877,"endHours":19.582373783043334,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:47","end":"20:32","startHours":18.776894775162877,"endHours":20.526894775162877,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:48","startHours":23.91676347429302,"endHours":24.805529886901752,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:42","end":"07:22","startHours":5.695398586031896,"endHours":7.361835609673268,"quality":"auspicious"},{"name":"Roga","start":"07:22","end":"09:02","startHours":7.361835609673268,"endHours":9.028272633314641,"quality":"inauspicious"},{"name":"Udveg","start":"09:02","end":"10:42","startHours":9.028272633314641,"endHours":10.694709656956014,"quality":"inauspicious"},{"name":"Chala","start":"10:42","end":"12:22","startHours":10.694709656956014,"endHours":12.361146680597386,"quality":"neutral"},{"name":"Labha","start":"12:22","end":"14:02","startHours":12.361146680597386,"endHours":14.027583704238758,"quality":"auspicious"},{"name":"Amṛta","start":"14:02","end":"15:42","startHours":14.027583704238758,"endHours":15.694020727880131,"quality":"auspicious"},{"name":"Kāla","start":"15:42","end":"17:22","startHours":15.694020727880131,"endHours":17.360457751521505,"quality":"inauspicious"},{"name":"Śubha","start":"17:22","end":"19:02","startHours":17.360457751521505,"endHours":19.026894775162877,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:02","end":"20:22","startHours":19.026894775162877,"endHours":20.360457751521505,"quality":"auspicious"},{"name":"Kāla","start":"20:22","end":"21:42","startHours":20.360457751521505,"endHours":21.69402072788013,"quality":"inauspicious"},{"name":"Śubha","start":"21:42","end":"23:02","startHours":21.69402072788013,"endHours":23.027583704238758,"quality":"auspicious"},{"name":"Roga","start":"23:02","end":"00:22","startHours":23.027583704238758,"endHours":24.361146680597386,"quality":"inauspicious"},{"name":"Udveg","start":"00:22","end":"01:42","startHours":24.361146680597386,"endHours":25.694709656956014,"quality":"inauspicious"},{"name":"Chala","start":"01:42","end":"03:02","startHours":25.694709656956014,"endHours":27.028272633314643,"quality":"neutral"},{"name":"Labha","start":"03:02","end":"04:22","startHours":27.028272633314643,"endHours":28.361835609673268,"quality":"auspicious"},{"name":"Amṛta","start":"04:22","end":"05:42","startHours":28.361835609673268,"endHours":29.695398586031896,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:42","end":"06:42","startHours":5.695398586031896,"endHours":6.695398586031896,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:42","end":"07:42","startHours":6.695398586031896,"endHours":7.695398586031896,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:42","end":"08:42","startHours":7.695398586031896,"endHours":8.695398586031896,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:42","end":"09:42","startHours":8.695398586031896,"endHours":9.695398586031896,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:42","end":"10:42","startHours":9.695398586031896,"endHours":10.695398586031896,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:42","end":"11:42","startHours":10.695398586031896,"endHours":11.695398586031896,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:42","end":"12:42","startHours":11.695398586031896,"endHours":12.695398586031896,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:42","end":"13:42","startHours":12.695398586031896,"endHours":13.695398586031896,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:42","end":"14:42","startHours":13.695398586031896,"endHours":14.695398586031896,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:42","end":"15:42","startHours":14.695398586031896,"endHours":15.695398586031896,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:42","end":"16:42","startHours":15.695398586031896,"endHours":16.695398586031896,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:42","end":"17:42","startHours":16.695398586031896,"endHours":17.695398586031896,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:42","end":"18:42","startHours":17.695398586031896,"endHours":18.695398586031896,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:42","end":"19:42","startHours":18.695398586031896,"endHours":19.695398586031896,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:42","end":"20:42","startHours":19.695398586031896,"endHours":20.695398586031896,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:42","end":"21:42","startHours":20.695398586031896,"endHours":21.695398586031896,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:42","end":"22:42","startHours":21.695398586031896,"endHours":22.695398586031896,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:42","end":"23:42","startHours":22.695398586031896,"endHours":23.695398586031896,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:42","end":"00:42","startHours":23.695398586031896,"endHours":24.695398586031896,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:42","end":"01:42","startHours":24.695398586031896,"endHours":25.695398586031896,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:42","end":"02:42","startHours":25.695398586031896,"endHours":26.695398586031896,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:42","end":"03:42","startHours":26.695398586031896,"endHours":27.695398586031896,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:42","end":"04:42","startHours":27.695398586031896,"endHours":28.695398586031896,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:42","end":"05:42","startHours":28.695398586031896,"endHours":29.695398586031896,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":15.070849689825472,"eotMinutes":-4.739200835843176,"ayanamsa":25.9709}},"calendars":{"vikram_samvat":2208,"vikram_samvatsara":"Raktākṣī","saka_samvat":2073,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1558,"malayalam_era":1327,"nanakshahi_year":682,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Amāvasyā · Vikram 2208 Raktākṣī · Śaka 2073 Virodhakṛt"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 12, 2151 CE · Ṛṣikeśa · Vidhyamitra","description":"August 12, 2151 CE for Ṛṣikeśa: Kṛṣṇa Amāvasyā, sūryodaya 05:42, sūryāsta 19:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2151-08-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2151-08-12","sa":"https://sa.vidhyamitra.com/city/rishikesh/2151-08-12","hi":"https://hi.vidhyamitra.com/city/rishikesh/2151-08-12","x-default":"https://vidhyamitra.com/city/rishikesh/2151-08-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T18:03:31.770Z","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":"2026-05-31T18:03:31.770Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T18:03:31.770Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}