{"id":"vidhyamitra:city-day:rishikesh:2155-08-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2155-08-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2155-08-28","date_display":"August 28, 2155 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":2155,"month":8,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508396.770833,"kali_year":5257,"ahargana":1919931.2708,"sun":{"sidereal_longitude":127.5277,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":127.0997,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":359.572,"elapsed_within_tithi_degrees":11.572},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":127.0997,"elapsed_within_degrees":7.0997},"yoga":{"number":20,"name":"Śiva","sum_longitude":254.6274},"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":2155,"month":8,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508396.770833,"ahargana":1919931.2708,"kali_year":5257,"ayanamsa_lahiri":26.0274,"grahas":{"sun":{"sidereal_longitude":128.566255,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":127.76365499999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false,"latitude":1.95},"mars":{"sidereal_longitude":192.627255,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":131.24165500000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":66.644455,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":140.36485500000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":132.56775500000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":332.8019,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":152.8019,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2155,"month":8,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508396.770833,"kali_year":5257,"ahargana":1919931.2708,"sun":{"sidereal_longitude":127.5277,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":127.0997,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":359.572,"elapsed_within_tithi_degrees":11.572},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":127.0997,"elapsed_within_degrees":7.0997},"yoga":{"number":20,"name":"Śiva","sum_longitude":254.6274},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.95,"elongation":0.428},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.95,"opposition_distance":179.572}},"eclipse_window_40days":[{"offset_days":14,"type":"lunar","occurs":true,"moon_latitude":-1.019,"opposition_distance":2.063}]},"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":12.89885617357044,"dayLengthDisplay":"12 Hours 53 Mins 56 Secs","nightLengthDisplay":"11 Hours 06 Mins 04 Secs","moonriseLocal":"05:48","moonsetLocal":"18:41","rahuKala":{"name":"Rāhu Kāla","start":"13:54","end":"15:31","startHours":13.908025833712706,"endHours":15.520382855409014,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:51","end":"07:28","startHours":5.8462407252311825,"endHours":7.458597746927488,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:04","end":"10:41","startHours":9.070954768623793,"endHours":10.683311790320097,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:17","startHours":8.855973832397618,"endHours":9.285935704849967,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:23","end":"06:44","startHours":6.383693065796617,"endHours":6.7276625637584955,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:44","startHours":11.865706939564056,"endHours":12.72563068446875,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:08","end":"04:59","startHours":4.126393235421791,"endHours":4.986316980326486,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:46","end":"05:51","startHours":4.7713360441003125,"endHours":5.8462407252311825,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:18","startHours":14.445478174278144,"endHours":15.30540191918284,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:33","end":"18:57","startHours":18.545096898801624,"endHours":18.945096898801623,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:45","end":"19:17","startHours":18.745096898801624,"endHours":19.282549239367057,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:30","end":"20:15","startHours":18.495096898801624,"endHours":20.245096898801624,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:44","startHours":23.865706939564053,"endHours":24.72563068446875,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:51","end":"07:28","startHours":5.8462407252311825,"endHours":7.458597746927488,"quality":"auspicious"},{"name":"Roga","start":"07:28","end":"09:04","startHours":7.458597746927488,"endHours":9.070954768623793,"quality":"inauspicious"},{"name":"Udveg","start":"09:04","end":"10:41","startHours":9.070954768623793,"endHours":10.683311790320097,"quality":"inauspicious"},{"name":"Chala","start":"10:41","end":"12:18","startHours":10.683311790320097,"endHours":12.295668812016402,"quality":"neutral"},{"name":"Labha","start":"12:18","end":"13:54","startHours":12.295668812016402,"endHours":13.908025833712706,"quality":"auspicious"},{"name":"Amṛta","start":"13:54","end":"15:31","startHours":13.908025833712706,"endHours":15.520382855409014,"quality":"auspicious"},{"name":"Kāla","start":"15:31","end":"17:08","startHours":15.520382855409014,"endHours":17.13273987710532,"quality":"inauspicious"},{"name":"Śubha","start":"17:08","end":"18:45","startHours":17.13273987710532,"endHours":18.745096898801624,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:45","end":"20:08","startHours":18.745096898801624,"endHours":20.13273987710532,"quality":"auspicious"},{"name":"Kāla","start":"20:08","end":"21:31","startHours":20.13273987710532,"endHours":21.520382855409014,"quality":"inauspicious"},{"name":"Śubha","start":"21:31","end":"22:54","startHours":21.520382855409014,"endHours":22.908025833712706,"quality":"auspicious"},{"name":"Roga","start":"22:54","end":"00:18","startHours":22.908025833712706,"endHours":24.2956688120164,"quality":"inauspicious"},{"name":"Udveg","start":"00:18","end":"01:41","startHours":24.2956688120164,"endHours":25.683311790320097,"quality":"inauspicious"},{"name":"Chala","start":"01:41","end":"03:04","startHours":25.683311790320097,"endHours":27.070954768623793,"quality":"neutral"},{"name":"Labha","start":"03:04","end":"04:28","startHours":27.070954768623793,"endHours":28.458597746927488,"quality":"auspicious"},{"name":"Amṛta","start":"04:28","end":"05:51","startHours":28.458597746927488,"endHours":29.846240725231183,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.8462407252311825,"endHours":6.8462407252311825,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.8462407252311825,"endHours":7.8462407252311825,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.8462407252311825,"endHours":8.846240725231183,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.846240725231183,"endHours":9.846240725231183,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.846240725231183,"endHours":10.846240725231183,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.846240725231183,"endHours":11.846240725231183,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.846240725231183,"endHours":12.846240725231183,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.846240725231183,"endHours":13.846240725231183,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.846240725231183,"endHours":14.846240725231183,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.846240725231183,"endHours":15.846240725231183,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.846240725231183,"endHours":16.846240725231183,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.846240725231183,"endHours":17.846240725231183,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.846240725231183,"endHours":18.846240725231183,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.846240725231183,"endHours":19.846240725231183,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.846240725231183,"endHours":20.846240725231183,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.846240725231183,"endHours":21.846240725231183,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.846240725231183,"endHours":22.846240725231183,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.846240725231183,"endHours":23.846240725231183,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.846240725231183,"endHours":24.846240725231183,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.846240725231183,"endHours":25.846240725231183,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.846240725231183,"endHours":26.846240725231183,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.846240725231183,"endHours":27.846240725231183,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.846240725231183,"endHours":28.846240725231183,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.846240725231183,"endHours":29.846240725231183,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Cara","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":9.825102614985154,"eotMinutes":-0.8105287209842176,"ayanamsa":26.0274}},"calendars":{"vikram_samvat":2212,"vikram_samvatsara":"Vibhava","saka_samvat":2077,"saka_samvatsara":"Rākṣasa","bengali_samvat":1562,"malayalam_era":1331,"nanakshahi_year":686,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Amāvasyā · Vikram 2212 Vibhava · Śaka 2077 Rākṣasa"},"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":"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 28, 2155 CE · Ṛṣikeśa · Vidhyamitra","description":"August 28, 2155 CE for Ṛṣikeśa: Kṛṣṇa Amāvasyā, sūryodaya 05:51, sūryāsta 18:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2155-08-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2155-08-28","sa":"https://sa.vidhyamitra.com/city/rishikesh/2155-08-28","hi":"https://hi.vidhyamitra.com/city/rishikesh/2155-08-28","x-default":"https://vidhyamitra.com/city/rishikesh/2155-08-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-27T01:30:08.566Z","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":"2026-05-27T01:30:08.566Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-27T01:30:08.566Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}