{"id":"vidhyamitra:city-day:vrindavan:2155-10-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2155-10-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2155-10-21","date_display":"October 21, 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":10,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508450.770833,"kali_year":5257,"ahargana":1919985.2708,"sun":{"sidereal_longitude":180.273,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":118.9437,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":298.6707,"elapsed_within_tithi_degrees":10.6707},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":118.9437,"elapsed_within_degrees":12.277},"yoga":{"number":23,"name":"Śubha","sum_longitude":299.2167},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":10,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508450.770833,"ahargana":1919985.2708,"kali_year":5257,"ayanamsa_lahiri":26.0294,"grahas":{"sun":{"sidereal_longitude":181.37759200000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":120.14019200000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false,"latitude":2.3157},"mars":{"sidereal_longitude":229.52569199999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":184.874592,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":72.21709199999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":206.92799200000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":139.04859199999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":329.9407,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":149.9407,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2155,"month":10,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508450.770833,"kali_year":5257,"ahargana":1919985.2708,"sun":{"sidereal_longitude":180.273,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":118.9437,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":298.6707,"elapsed_within_tithi_degrees":10.6707},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":118.9437,"elapsed_within_degrees":12.277},"yoga":{"number":23,"name":"Śubha","sum_longitude":299.2167},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.316,"elongation":61.329},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.316,"opposition_distance":118.671}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:22","sunsetLocal":"17:45","solarNoonLocal":"12:04","dayLengthHours":11.384123556951574,"dayLengthDisplay":"11 Hours 23 Mins 03 Secs","nightLengthDisplay":"12 Hours 36 Mins 57 Secs","moonriseLocal":"01:29","moonsetLocal":"14:29","rahuKala":{"name":"Rāhu Kāla","start":"14:54","end":"16:20","startHours":14.904920546459481,"endHours":16.327935991078427,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:13","end":"10:38","startHours":9.212858767983693,"endHours":10.63587421260264,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:04","end":"13:29","startHours":12.058889657221588,"endHours":13.481905101840534,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:24","startHours":9.023123375367835,"endHours":9.402594160599554,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:50","end":"07:09","startHours":6.841166360285449,"endHours":7.144742988470824,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:26","startHours":11.679418871989869,"endHours":12.438360442453307,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:51","end":"05:36","startHours":4.848944737818924,"endHours":5.607886308282362,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:22","startHours":5.418150915666502,"endHours":6.3668278787458,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:43","startHours":13.956243583380182,"endHours":14.71518515384362,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:33","end":"17:57","startHours":17.550951435697375,"endHours":17.950951435697373,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:45","end":"18:14","startHours":17.750951435697374,"endHours":18.225289917237024,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:30","end":"19:15","startHours":17.500951435697374,"endHours":19.250951435697374,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:26","startHours":23.67941887198987,"endHours":24.438360442453305,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:22","end":"07:47","startHours":6.3668278787458,"endHours":7.789843323364747,"quality":"inauspicious"},{"name":"Udveg","start":"07:47","end":"09:13","startHours":7.789843323364747,"endHours":9.212858767983693,"quality":"inauspicious"},{"name":"Chala","start":"09:13","end":"10:38","startHours":9.212858767983693,"endHours":10.63587421260264,"quality":"neutral"},{"name":"Labha","start":"10:38","end":"12:04","startHours":10.63587421260264,"endHours":12.058889657221588,"quality":"auspicious"},{"name":"Amṛta","start":"12:04","end":"13:29","startHours":12.058889657221588,"endHours":13.481905101840534,"quality":"auspicious"},{"name":"Kāla","start":"13:29","end":"14:54","startHours":13.481905101840534,"endHours":14.904920546459481,"quality":"inauspicious"},{"name":"Śubha","start":"14:54","end":"16:20","startHours":14.904920546459481,"endHours":16.327935991078427,"quality":"auspicious"},{"name":"Roga","start":"16:20","end":"17:45","startHours":16.327935991078427,"endHours":17.750951435697374,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:45","end":"19:20","startHours":17.750951435697374,"endHours":19.327935991078427,"quality":"inauspicious"},{"name":"Śubha","start":"19:20","end":"20:54","startHours":19.327935991078427,"endHours":20.90492054645948,"quality":"auspicious"},{"name":"Roga","start":"20:54","end":"22:29","startHours":20.90492054645948,"endHours":22.481905101840532,"quality":"inauspicious"},{"name":"Udveg","start":"22:29","end":"00:04","startHours":22.481905101840532,"endHours":24.058889657221588,"quality":"inauspicious"},{"name":"Chala","start":"00:04","end":"01:38","startHours":24.058889657221588,"endHours":25.63587421260264,"quality":"neutral"},{"name":"Labha","start":"01:38","end":"03:13","startHours":25.63587421260264,"endHours":27.212858767983693,"quality":"auspicious"},{"name":"Amṛta","start":"03:13","end":"04:47","startHours":27.212858767983693,"endHours":28.78984332336475,"quality":"auspicious"},{"name":"Kāla","start":"04:47","end":"06:22","startHours":28.78984332336475,"endHours":30.366827878745802,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:22","end":"07:22","startHours":6.3668278787458,"endHours":7.3668278787458,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:22","end":"08:22","startHours":7.3668278787458,"endHours":8.3668278787458,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:22","end":"09:22","startHours":8.3668278787458,"endHours":9.3668278787458,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:22","end":"10:22","startHours":9.3668278787458,"endHours":10.3668278787458,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:22","end":"11:22","startHours":10.3668278787458,"endHours":11.3668278787458,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:22","end":"12:22","startHours":11.3668278787458,"endHours":12.3668278787458,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:22","end":"13:22","startHours":12.3668278787458,"endHours":13.3668278787458,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:22","end":"14:22","startHours":13.3668278787458,"endHours":14.3668278787458,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:22","end":"15:22","startHours":14.3668278787458,"endHours":15.3668278787458,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:22","end":"16:22","startHours":15.3668278787458,"endHours":16.366827878745802,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:22","end":"17:22","startHours":16.366827878745802,"endHours":17.366827878745802,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:22","end":"18:22","startHours":17.366827878745802,"endHours":18.366827878745802,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:22","end":"19:22","startHours":18.366827878745802,"endHours":19.366827878745802,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:22","end":"20:22","startHours":19.366827878745802,"endHours":20.366827878745802,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:22","end":"21:22","startHours":20.366827878745802,"endHours":21.366827878745802,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:22","end":"22:22","startHours":21.366827878745802,"endHours":22.366827878745802,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:22","end":"23:22","startHours":22.366827878745802,"endHours":23.366827878745802,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:22","end":"00:22","startHours":23.366827878745802,"endHours":24.366827878745802,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:22","end":"01:22","startHours":24.366827878745802,"endHours":25.366827878745802,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:22","end":"02:22","startHours":25.366827878745802,"endHours":26.366827878745802,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:22","end":"03:22","startHours":26.366827878745802,"endHours":27.366827878745802,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:22","end":"04:22","startHours":27.366827878745802,"endHours":28.366827878745802,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:22","end":"05:22","startHours":28.366827878745802,"endHours":29.366827878745802,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:22","end":"06:22","startHours":29.366827878745802,"endHours":30.366827878745802,"planetary_lord":"Saturn"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.549182638486549,"eotMinutes":15.829420566704727,"ayanamsa":26.0294}},"calendars":{"vikram_samvat":2212,"vikram_samvatsara":"Vibhava","saka_samvat":2077,"saka_samvatsara":"Rākṣasa","bengali_samvat":1562,"malayalam_era":1331,"nanakshahi_year":686,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Daśamī · Vikram 2212 Vibhava · Śaka 2077 Rākṣasa"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 21, 2155 CE · Vṛndāvana · Vidhyamitra","description":"October 21, 2155 CE for Vṛndāvana: Kṛṣṇa Daśamī, sūryodaya 06:22, sūryāsta 17:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2155-10-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2155-10-21","sa":"https://sa.vidhyamitra.com/city/vrindavan/2155-10-21","hi":"https://hi.vidhyamitra.com/city/vrindavan/2155-10-21","x-default":"https://vidhyamitra.com/city/vrindavan/2155-10-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T12:07:25.973Z","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":"2026-06-01T12:07:25.973Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T12:07:25.973Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}