{"id":"vidhyamitra:city-day:rishikesh:2101-05-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/2101-05-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2101-05-25","date_display":"May 25, 2101 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":2101,"month":5,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488578.770833,"kali_year":5203,"ahargana":1900113.2708,"sun":{"sidereal_longitude":38.1698,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":4.3097,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":326.1399,"elapsed_within_tithi_degrees":2.1399},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":4.3097,"elapsed_within_degrees":4.3097},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":42.4795},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2101,"month":5,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488578.770833,"ahargana":1900113.2708,"kali_year":5203,"ayanamsa_lahiri":25.2694,"grahas":{"sun":{"sidereal_longitude":38.47754800000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":5.560347999999976,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":3.9521},"mars":{"sidereal_longitude":334.41414800000007,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":30.919247999999982,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":200.36904800000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":58.290548,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":186.758148,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":302.8549,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":122.8549,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2101,"month":5,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488578.770833,"kali_year":5203,"ahargana":1900113.2708,"sun":{"sidereal_longitude":38.1698,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":4.3097,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":326.1399,"elapsed_within_tithi_degrees":2.1399},"nakshatra":{"number":1,"name":"Aśvinī","pada":2,"moon_longitude":4.3097,"elapsed_within_degrees":4.3097},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":42.4795},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.952,"elongation":33.86},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.952,"opposition_distance":146.14}},"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":"05:18","sunsetLocal":"19:09","solarNoonLocal":"12:14","dayLengthHours":13.845273603202237,"dayLengthDisplay":"13 Hours 50 Mins 43 Secs","nightLengthDisplay":"10 Hours 09 Mins 17 Secs","moonriseLocal":"03:32","moonsetLocal":"16:33","rahuKala":{"name":"Rāhu Kāla","start":"12:14","end":"13:58","startHours":12.228528644085198,"endHours":13.959187844485477,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:02","end":"08:46","startHours":7.0365510428843585,"endHours":8.767210243284637,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:30","end":"12:14","startHours":10.497869443684918,"endHours":12.228528644085198,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"09:00","startHours":8.536455683231267,"endHours":8.997964803338009,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:53","end":"06:15","startHours":5.882778242617506,"endHours":6.251985538702899,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:41","startHours":11.767019523978457,"endHours":12.69003776419194,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:28","end":"04:23","startHours":3.459855362057114,"endHours":4.382873602270596,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:09","end":"05:18","startHours":4.152119042217226,"endHours":5.305891842484079,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:32","end":"15:28","startHours":14.536074244618902,"endHours":15.459092484832384,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:57","end":"19:21","startHours":18.951165445686318,"endHours":19.351165445686316,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:09","end":"19:44","startHours":19.151165445686317,"endHours":19.728051845819742,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:54","end":"20:39","startHours":18.901165445686317,"endHours":20.651165445686317,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:41","startHours":23.76701952397846,"endHours":24.69003776419194,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:18","end":"07:02","startHours":5.305891842484079,"endHours":7.0365510428843585,"quality":"auspicious"},{"name":"Amṛta","start":"07:02","end":"08:46","startHours":7.0365510428843585,"endHours":8.767210243284637,"quality":"auspicious"},{"name":"Kāla","start":"08:46","end":"10:30","startHours":8.767210243284637,"endHours":10.497869443684918,"quality":"inauspicious"},{"name":"Śubha","start":"10:30","end":"12:14","startHours":10.497869443684918,"endHours":12.228528644085198,"quality":"auspicious"},{"name":"Roga","start":"12:14","end":"13:58","startHours":12.228528644085198,"endHours":13.959187844485477,"quality":"inauspicious"},{"name":"Udveg","start":"13:58","end":"15:41","startHours":13.959187844485477,"endHours":15.689847044885756,"quality":"inauspicious"},{"name":"Chala","start":"15:41","end":"17:25","startHours":15.689847044885756,"endHours":17.420506245286038,"quality":"neutral"},{"name":"Labha","start":"17:25","end":"19:09","startHours":17.420506245286038,"endHours":19.151165445686317,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:09","end":"20:25","startHours":19.151165445686317,"endHours":20.420506245286038,"quality":"inauspicious"},{"name":"Chala","start":"20:25","end":"21:41","startHours":20.420506245286038,"endHours":21.68984704488576,"quality":"neutral"},{"name":"Labha","start":"21:41","end":"22:58","startHours":21.68984704488576,"endHours":22.959187844485477,"quality":"auspicious"},{"name":"Amṛta","start":"22:58","end":"00:14","startHours":22.959187844485477,"endHours":24.2285286440852,"quality":"auspicious"},{"name":"Kāla","start":"00:14","end":"01:30","startHours":24.2285286440852,"endHours":25.49786944368492,"quality":"inauspicious"},{"name":"Śubha","start":"01:30","end":"02:46","startHours":25.49786944368492,"endHours":26.767210243284637,"quality":"auspicious"},{"name":"Roga","start":"02:46","end":"04:02","startHours":26.767210243284637,"endHours":28.03655104288436,"quality":"inauspicious"},{"name":"Udveg","start":"04:02","end":"05:18","startHours":28.03655104288436,"endHours":29.30589184248408,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:18","end":"06:18","startHours":5.305891842484079,"endHours":6.305891842484079,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:18","end":"07:18","startHours":6.305891842484079,"endHours":7.305891842484079,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:18","end":"08:18","startHours":7.305891842484079,"endHours":8.30589184248408,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:18","end":"09:18","startHours":8.30589184248408,"endHours":9.30589184248408,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:18","end":"10:18","startHours":9.30589184248408,"endHours":10.30589184248408,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:18","end":"11:18","startHours":10.30589184248408,"endHours":11.30589184248408,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:18","end":"12:18","startHours":11.30589184248408,"endHours":12.30589184248408,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:18","end":"13:18","startHours":12.30589184248408,"endHours":13.30589184248408,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:18","end":"14:18","startHours":13.30589184248408,"endHours":14.30589184248408,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:18","end":"15:18","startHours":14.30589184248408,"endHours":15.30589184248408,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:18","end":"16:18","startHours":15.30589184248408,"endHours":16.30589184248408,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:18","end":"17:18","startHours":16.30589184248408,"endHours":17.30589184248408,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:18","end":"18:18","startHours":17.30589184248408,"endHours":18.30589184248408,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:18","end":"19:18","startHours":18.30589184248408,"endHours":19.30589184248408,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:18","end":"20:18","startHours":19.30589184248408,"endHours":20.30589184248408,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:18","end":"21:18","startHours":20.30589184248408,"endHours":21.30589184248408,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:18","end":"22:18","startHours":21.30589184248408,"endHours":22.30589184248408,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:18","end":"23:18","startHours":22.30589184248408,"endHours":23.30589184248408,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:18","end":"00:18","startHours":23.30589184248408,"endHours":24.30589184248408,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:18","end":"01:18","startHours":24.30589184248408,"endHours":25.30589184248408,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:18","end":"02:18","startHours":25.30589184248408,"endHours":26.30589184248408,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:18","end":"03:18","startHours":26.30589184248408,"endHours":27.30589184248408,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:18","end":"04:18","startHours":27.30589184248408,"endHours":28.30589184248408,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:18","end":"05:18","startHours":28.30589184248408,"endHours":29.30589184248408,"planetary_lord":"Sun"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":20.898039417512788,"eotMinutes":3.2178813548881493,"ayanamsa":25.2694}},"calendars":{"vikram_samvat":2158,"vikram_samvatsara":"Bhāva","saka_samvat":2023,"saka_samvatsara":"Durmati","bengali_samvat":1508,"malayalam_era":1277,"nanakshahi_year":632,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Trayodaśī · Vikram 2158 Bhāva · Śaka 2023 Durmati"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 May 25, 2101 CE · Ṛṣikeśa · Vidhyamitra","description":"May 25, 2101 CE for Ṛṣikeśa: Kṛṣṇa Trayodaśī, sūryodaya 05:18, sūryāsta 19:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/2101-05-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/2101-05-25","sa":"https://sa.vidhyamitra.com/city/rishikesh/2101-05-25","hi":"https://hi.vidhyamitra.com/city/rishikesh/2101-05-25","x-default":"https://vidhyamitra.com/city/rishikesh/2101-05-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T14:56:53.987Z","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":"2026-05-24T14:56:53.987Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T14:56:53.987Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}