{"id":"vidhyamitra:city-day:rishikesh:2099-08-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2099-08-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2099-08-27","date_display":"August 27, 2099 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":2099,"month":8,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2487942.770833,"kali_year":5201,"ahargana":1899477.2708,"sun":{"sidereal_longitude":127.9987,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":265.2166,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":137.2179,"elapsed_within_tithi_degrees":5.2179},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":265.2166,"elapsed_within_degrees":11.8832},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.2152},"karana":{"half_tithi_index":22,"name":"Bava"},"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":2099,"month":8,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2487942.770833,"ahargana":1899477.2708,"kali_year":5201,"ayanamsa_lahiri":25.2451,"grahas":{"sun":{"sidereal_longitude":128.903048,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":267.481548,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":-4.2629},"mars":{"sidereal_longitude":3.5203480000000127,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":136.87394799999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":150.511348,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":137.22154799999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":165.65974800000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":336.5533,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":156.5533,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara 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":2099,"month":8,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2487942.770833,"kali_year":5201,"ahargana":1899477.2708,"sun":{"sidereal_longitude":127.9987,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":265.2166,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":137.2179,"elapsed_within_tithi_degrees":5.2179},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":265.2166,"elapsed_within_degrees":11.8832},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":33.2152},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.263,"elongation":137.218},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.263,"opposition_distance":42.782}},"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":"05:51","sunsetLocal":"18:45","solarNoonLocal":"12:18","dayLengthHours":12.911922481749635,"dayLengthDisplay":"12 Hours 54 Mins 43 Secs","nightLengthDisplay":"11 Hours 05 Mins 17 Secs","moonriseLocal":"16:22","moonsetLocal":"02:43","rahuKala":{"name":"Rāhu Kāla","start":"13:55","end":"15:32","startHours":13.91475808548985,"endHours":15.528748395708558,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:51","end":"07:28","startHours":5.844806534396331,"endHours":7.458796844615035,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:04","end":"10:41","startHours":9.07278715483374,"endHours":10.686777465052444,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:17","startHours":8.857588446804579,"endHours":9.2879858628629,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:23","end":"06:44","startHours":6.382803304469232,"endHours":6.727121237315889,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:44","startHours":11.870370359212826,"endHours":12.731165191329469,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:07","end":"04:59","startHours":4.123216870163047,"endHours":4.984011702279688,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:46","end":"05:51","startHours":4.768812994250528,"endHours":5.844806534396331,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:19","startHours":14.452754855562755,"endHours":15.313549687679398,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:33","end":"18:57","startHours":18.556729016145965,"endHours":18.956729016145964,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:45","end":"19:18","startHours":18.756729016145965,"endHours":19.294725786218866,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:30","end":"20:15","startHours":18.506729016145965,"endHours":20.256729016145965,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:44","startHours":23.870370359212828,"endHours":24.731165191329467,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:51","end":"07:28","startHours":5.844806534396331,"endHours":7.458796844615035,"quality":"auspicious"},{"name":"Roga","start":"07:28","end":"09:04","startHours":7.458796844615035,"endHours":9.07278715483374,"quality":"inauspicious"},{"name":"Udveg","start":"09:04","end":"10:41","startHours":9.07278715483374,"endHours":10.686777465052444,"quality":"inauspicious"},{"name":"Chala","start":"10:41","end":"12:18","startHours":10.686777465052444,"endHours":12.300767775271147,"quality":"neutral"},{"name":"Labha","start":"12:18","end":"13:55","startHours":12.300767775271147,"endHours":13.91475808548985,"quality":"auspicious"},{"name":"Amṛta","start":"13:55","end":"15:32","startHours":13.91475808548985,"endHours":15.528748395708558,"quality":"auspicious"},{"name":"Kāla","start":"15:32","end":"17:09","startHours":15.528748395708558,"endHours":17.14273870592726,"quality":"inauspicious"},{"name":"Śubha","start":"17:09","end":"18:45","startHours":17.14273870592726,"endHours":18.756729016145965,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:45","end":"20:09","startHours":18.756729016145965,"endHours":20.14273870592726,"quality":"auspicious"},{"name":"Kāla","start":"20:09","end":"21:32","startHours":20.14273870592726,"endHours":21.528748395708554,"quality":"inauspicious"},{"name":"Śubha","start":"21:32","end":"22:55","startHours":21.528748395708554,"endHours":22.91475808548985,"quality":"auspicious"},{"name":"Roga","start":"22:55","end":"00:18","startHours":22.91475808548985,"endHours":24.300767775271147,"quality":"inauspicious"},{"name":"Udveg","start":"00:18","end":"01:41","startHours":24.300767775271147,"endHours":25.686777465052444,"quality":"inauspicious"},{"name":"Chala","start":"01:41","end":"03:04","startHours":25.686777465052444,"endHours":27.07278715483374,"quality":"neutral"},{"name":"Labha","start":"03:04","end":"04:28","startHours":27.07278715483374,"endHours":28.458796844615033,"quality":"auspicious"},{"name":"Amṛta","start":"04:28","end":"05:51","startHours":28.458796844615033,"endHours":29.84480653439633,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.844806534396331,"endHours":6.844806534396331,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.844806534396331,"endHours":7.844806534396331,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.844806534396331,"endHours":8.84480653439633,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.84480653439633,"endHours":9.84480653439633,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.84480653439633,"endHours":10.84480653439633,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.84480653439633,"endHours":11.84480653439633,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.84480653439633,"endHours":12.84480653439633,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.84480653439633,"endHours":13.84480653439633,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.84480653439633,"endHours":14.84480653439633,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.84480653439633,"endHours":15.84480653439633,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.84480653439633,"endHours":16.84480653439633,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.84480653439633,"endHours":17.84480653439633,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.84480653439633,"endHours":18.84480653439633,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.84480653439633,"endHours":19.84480653439633,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.84480653439633,"endHours":20.84480653439633,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.84480653439633,"endHours":21.84480653439633,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.84480653439633,"endHours":22.84480653439633,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.84480653439633,"endHours":23.84480653439633,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.84480653439633,"endHours":24.84480653439633,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.84480653439633,"endHours":25.84480653439633,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.84480653439633,"endHours":26.84480653439633,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.84480653439633,"endHours":27.84480653439633,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.84480653439633,"endHours":28.84480653439633,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.84480653439633,"endHours":29.84480653439633,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Śrīvatsa","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":9.98727934256977,"eotMinutes":-1.116466516268853,"ayanamsa":25.2451}},"calendars":{"vikram_samvat":2156,"vikram_samvatsara":"Aṅgirasa","saka_samvat":2021,"saka_samvatsara":"Siddhārthī","bengali_samvat":1506,"malayalam_era":1275,"nanakshahi_year":630,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Dvādaśī · Vikram 2156 Aṅgirasa · Śaka 2021 Siddhārthī"},"festivals":[{"id":"vamana-jayanti","name":"Vāmana Jayantī","name_sanskrit":"वामन जयन्ती","tradition":"Vaishnava","associated_deity":"Vāmana (5th daśāvatāra of Krishna)","deity_avatara_index":15,"significance":"Vāmana's three-step measure of all worlds; Bali's surrender. (= Onam in Kerala.)","vrata":true,"detection":{"tithi_number":12,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":2,"sources":["Bhāgavata 8.18-22"]},{"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":"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":[]},"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 27, 2099 CE · Ṛṣikeśa · Vidhyamitra","description":"August 27, 2099 CE for Ṛṣikeśa: Śukla Dvādaśī, sūryodaya 05:51, sūryāsta 18:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2099-08-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2099-08-27","sa":"https://sa.vidhyamitra.com/city/rishikesh/2099-08-27","hi":"https://hi.vidhyamitra.com/city/rishikesh/2099-08-27","x-default":"https://vidhyamitra.com/city/rishikesh/2099-08-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T15:42:07.537Z","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":"2026-05-20T15:42:07.537Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T15:42:07.537Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}