{"id":"vidhyamitra:city-day:rishikesh:2154-08-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2154-08-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2154-08-31","date_display":"August 31, 2154 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":2154,"month":8,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508034.770833,"kali_year":5256,"ahargana":1919569.2708,"sun":{"sidereal_longitude":130.6599,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":41.6634,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":271.0035,"elapsed_within_tithi_degrees":7.0035},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":41.6634,"elapsed_within_degrees":1.6634},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":172.3234},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":2154,"month":8,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508034.770833,"ahargana":1919569.2708,"kali_year":5256,"ayanamsa_lahiri":26.0135,"grahas":{"sun":{"sidereal_longitude":131.70928600000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":41.99028599999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":3.4296},"mars":{"sidereal_longitude":87.58588600000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":153.828986,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":36.68758600000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":153.136886,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":121.348886,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":351.9824,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":171.9824,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":2154,"month":8,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508034.770833,"kali_year":5256,"ahargana":1919569.2708,"sun":{"sidereal_longitude":130.6599,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":41.6634,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":271.0035,"elapsed_within_tithi_degrees":7.0035},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":41.6634,"elapsed_within_degrees":1.6634},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":172.3234},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.43,"elongation":88.996},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.43,"opposition_distance":91.004}},"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":"05:53","sunsetLocal":"18:41","solarNoonLocal":"12:17","dayLengthHours":12.8064024167983,"dayLengthDisplay":"12 Hours 48 Mins 23 Secs","nightLengthDisplay":"11 Hours 11 Mins 37 Secs","moonriseLocal":"23:22","moonsetLocal":"13:14","rahuKala":{"name":"Rāhu Kāla","start":"09:05","end":"10:41","startHours":9.07813290374397,"endHours":10.678933205843757,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:53","end":"15:29","startHours":13.880533810043332,"endHours":15.48133411214312,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:53","end":"07:29","startHours":5.876532299544395,"endHours":7.477332601644182,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:17","startHours":8.864692863463997,"endHours":9.29157294402394,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:45","startHours":6.410132400244324,"endHours":6.751636464692279,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:42","startHours":11.8528534273836,"endHours":12.706613588503487,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:10","end":"05:01","startHours":4.1690119773046215,"endHours":5.022772138424508,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:49","end":"05:53","startHours":4.809332098144536,"endHours":5.876532299544395,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:16","startHours":14.41413391074326,"endHours":15.267894071863147,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:29","end":"18:53","startHours":18.482934716342694,"endHours":18.882934716342692,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:41","end":"19:13","startHours":18.682934716342693,"endHours":19.21653481704262,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:26","end":"20:11","startHours":18.432934716342693,"endHours":20.182934716342693,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:42","startHours":23.8528534273836,"endHours":24.706613588503487,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:53","end":"07:29","startHours":5.876532299544395,"endHours":7.477332601644182,"quality":"inauspicious"},{"name":"Śubha","start":"07:29","end":"09:05","startHours":7.477332601644182,"endHours":9.07813290374397,"quality":"auspicious"},{"name":"Roga","start":"09:05","end":"10:41","startHours":9.07813290374397,"endHours":10.678933205843757,"quality":"inauspicious"},{"name":"Udveg","start":"10:41","end":"12:17","startHours":10.678933205843757,"endHours":12.279733507943543,"quality":"inauspicious"},{"name":"Chala","start":"12:17","end":"13:53","startHours":12.279733507943543,"endHours":13.880533810043332,"quality":"neutral"},{"name":"Labha","start":"13:53","end":"15:29","startHours":13.880533810043332,"endHours":15.48133411214312,"quality":"auspicious"},{"name":"Amṛta","start":"15:29","end":"17:05","startHours":15.48133411214312,"endHours":17.082134414242905,"quality":"auspicious"},{"name":"Kāla","start":"17:05","end":"18:41","startHours":17.082134414242905,"endHours":18.682934716342693,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:41","end":"20:05","startHours":18.682934716342693,"endHours":20.082134414242905,"quality":"auspicious"},{"name":"Amṛta","start":"20:05","end":"21:29","startHours":20.082134414242905,"endHours":21.481334112143116,"quality":"auspicious"},{"name":"Kāla","start":"21:29","end":"22:53","startHours":21.481334112143116,"endHours":22.88053381004333,"quality":"inauspicious"},{"name":"Śubha","start":"22:53","end":"00:17","startHours":22.88053381004333,"endHours":24.279733507943543,"quality":"auspicious"},{"name":"Roga","start":"00:17","end":"01:41","startHours":24.279733507943543,"endHours":25.678933205843755,"quality":"inauspicious"},{"name":"Udveg","start":"01:41","end":"03:05","startHours":25.678933205843755,"endHours":27.07813290374397,"quality":"inauspicious"},{"name":"Chala","start":"03:05","end":"04:29","startHours":27.07813290374397,"endHours":28.477332601644182,"quality":"neutral"},{"name":"Labha","start":"04:29","end":"05:53","startHours":28.477332601644182,"endHours":29.876532299544394,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:53","end":"06:53","startHours":5.876532299544395,"endHours":6.876532299544395,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:53","end":"07:53","startHours":6.876532299544395,"endHours":7.876532299544395,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:53","end":"08:53","startHours":7.876532299544395,"endHours":8.876532299544394,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:53","end":"09:53","startHours":8.876532299544394,"endHours":9.876532299544394,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:53","end":"10:53","startHours":9.876532299544394,"endHours":10.876532299544394,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:53","end":"11:53","startHours":10.876532299544394,"endHours":11.876532299544394,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:53","end":"12:53","startHours":11.876532299544394,"endHours":12.876532299544394,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:53","end":"13:53","startHours":12.876532299544394,"endHours":13.876532299544394,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:53","end":"14:53","startHours":13.876532299544394,"endHours":14.876532299544394,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:53","end":"15:53","startHours":14.876532299544394,"endHours":15.876532299544394,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:53","end":"16:53","startHours":15.876532299544394,"endHours":16.876532299544394,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:53","end":"17:53","startHours":16.876532299544394,"endHours":17.876532299544394,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:53","end":"18:53","startHours":17.876532299544394,"endHours":18.876532299544394,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:53","end":"19:53","startHours":18.876532299544394,"endHours":19.876532299544394,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:53","end":"20:53","startHours":19.876532299544394,"endHours":20.876532299544394,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:53","end":"21:53","startHours":20.876532299544394,"endHours":21.876532299544394,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:53","end":"22:53","startHours":21.876532299544394,"endHours":22.876532299544394,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:53","end":"23:53","startHours":22.876532299544394,"endHours":23.876532299544394,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:53","end":"00:53","startHours":23.876532299544394,"endHours":24.876532299544394,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:53","end":"01:53","startHours":24.876532299544394,"endHours":25.876532299544394,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:53","end":"02:53","startHours":25.876532299544394,"endHours":26.876532299544394,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:53","end":"03:53","startHours":26.876532299544394,"endHours":27.876532299544394,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:53","end":"04:53","startHours":27.876532299544394,"endHours":28.876532299544394,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:53","end":"05:53","startHours":28.876532299544394,"endHours":29.876532299544394,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":8.671880765023685,"eotMinutes":0.14558952338733633,"ayanamsa":26.0135}},"calendars":{"vikram_samvat":2211,"vikram_samvatsara":"Prabhava","saka_samvat":2076,"saka_samvatsara":"Ānanda","bengali_samvat":1561,"malayalam_era":1330,"nanakshahi_year":685,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Aṣṭamī · Vikram 2211 Prabhava · Śaka 2076 Ānanda"},"festivals":[{"id":"krishna-janmashtami","name":"Krishna Janmāṣṭamī","name_sanskrit":"कृष्ण जन्माष्टमी","tradition":"Vaishnava","associated_deity":"Krishna (svayaṁ bhagavān)","deity_avatara_index":20,"significance":"Bhagavān Krishna manifested at Mathurā midnight on this exact tithi-nakshatra alignment in 3227 BCE.","vrata":true,"primary_observance":"Madhya-rātri (midnight) abhiṣekam in Mathurā tradition","detection":{"tithi_number":23,"tithi_paksha":"Kṛṣṇa","nakshatra_name":"Rohiṇī","lunar_month":"Bhādrapada"},"precedence":1,"related_chart":"krishna","historical_anchor":{"event":"Bhagavān Krishna's birth at Mathurā","date_julian":"-3226-07-09","location":"Mathurā"},"sources":["Bhāgavata Purāṇa 10.3"]}],"todays_walk":{"walk":{"id":"krishna-janmashtami-walk","name":"Krishna Janmāṣṭamī Walk","name_sanskrit":"कृष्ण जन्माष्टमी यात्रा","type":"festival","description":"Bhāgavata 10.3 (birth at Mathurā) + BG 4.7-8 + 10.8 (Krishna as svayaṁ bhagavān).","step_count":11,"url":"/walk/krishna-janmashtami-walk"},"reason":"Today is Krishna Janmāṣṭamī — its dedicated walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī + Rohiṇī","url":"/day/-3226-07-09","relevance":1}]},"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 31, 2154 CE · Ṛṣikeśa · Vidhyamitra","description":"August 31, 2154 CE for Ṛṣikeśa: Kṛṣṇa Aṣṭamī, sūryodaya 05:53, sūryāsta 18:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2154-08-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2154-08-31","sa":"https://sa.vidhyamitra.com/city/rishikesh/2154-08-31","hi":"https://hi.vidhyamitra.com/city/rishikesh/2154-08-31","x-default":"https://vidhyamitra.com/city/rishikesh/2154-08-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T02:45:42.915Z","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":"2026-05-30T02:45:42.915Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T02:45:42.915Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}