{"id":"vidhyamitra:city-day:ayodhya:2106-05-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2106-05-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2106-05-21","date_display":"May 21, 2106 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":2106,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490400.770833,"kali_year":5208,"ahargana":1901935.2708,"sun":{"sidereal_longitude":34.0661,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":251.2415,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":217.1753,"elapsed_within_tithi_degrees":1.1753},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.2415,"elapsed_within_degrees":11.2415},"yoga":{"number":22,"name":"Sādhya","sum_longitude":285.3076},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2106,"month":5,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490400.770833,"ahargana":1901935.2708,"kali_year":5208,"ayanamsa_lahiri":25.3391,"grahas":{"sun":{"sidereal_longitude":34.35813400000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":248.057234,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false,"latitude":3.1762},"mars":{"sidereal_longitude":127.30883400000005,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":54.12253399999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":4.515734000000009,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":70.094334,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":248.89453400000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":206.3166,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":26.3166,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2106,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490400.770833,"kali_year":5208,"ahargana":1901935.2708,"sun":{"sidereal_longitude":34.0661,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":251.2415,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":217.1753,"elapsed_within_tithi_degrees":1.1753},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.2415,"elapsed_within_degrees":11.2415},"yoga":{"number":22,"name":"Sādhya","sum_longitude":285.3076},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.176,"elongation":142.825},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.176,"opposition_distance":37.175}},"eclipse_window_40days":[{"offset_days":-17,"type":"solar","occurs":true,"moon_latitude":0.56,"elongation":2.334},{"offset_days":-3,"type":"lunar","occurs":true,"moon_latitude":0.568,"opposition_distance":2.546},{"offset_days":12,"type":"solar","occurs":true,"moon_latitude":-1.402,"elongation":1.669}]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:11","sunsetLocal":"18:44","solarNoonLocal":"11:58","dayLengthHours":13.554042544814997,"dayLengthDisplay":"13 Hours 33 Mins 15 Secs","nightLengthDisplay":"10 Hours 26 Mins 45 Secs","moonriseLocal":"21:00","moonsetLocal":"07:25","rahuKala":{"name":"Rāhu Kāla","start":"10:16","end":"11:58","startHours":10.266487718856826,"endHours":11.9607430369587,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:21","end":"17:03","startHours":15.349253673162451,"endHours":17.043508991264325,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:53","end":"08:34","startHours":6.877977082653077,"endHours":8.572232400754952,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:48","startHours":8.346331691674703,"endHours":8.798133109835202,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:45","end":"06:07","startHours":5.748473537251827,"endHours":6.109914671780227,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:25","startHours":11.5089416187982,"endHours":12.4125444551192,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:23","end":"04:17","startHours":3.3765160919092025,"endHours":4.280118928230202,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:03","end":"05:11","startHours":4.054218219149952,"endHours":5.183721764551202,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:07","startHours":14.219750127761198,"endHours":15.123352964082198,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:32","end":"18:56","startHours":18.5377643093662,"endHours":18.937764309366198,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:44","end":"19:18","startHours":18.7377643093662,"endHours":19.302516082066823,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:29","end":"20:14","startHours":18.4877643093662,"endHours":20.2377643093662,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:25","startHours":23.5089416187982,"endHours":24.4125444551192,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:11","end":"06:53","startHours":5.183721764551202,"endHours":6.877977082653077,"quality":"neutral"},{"name":"Labha","start":"06:53","end":"08:34","startHours":6.877977082653077,"endHours":8.572232400754952,"quality":"auspicious"},{"name":"Amṛta","start":"08:34","end":"10:16","startHours":8.572232400754952,"endHours":10.266487718856826,"quality":"auspicious"},{"name":"Kāla","start":"10:16","end":"11:58","startHours":10.266487718856826,"endHours":11.9607430369587,"quality":"inauspicious"},{"name":"Śubha","start":"11:58","end":"13:39","startHours":11.9607430369587,"endHours":13.654998355060574,"quality":"auspicious"},{"name":"Roga","start":"13:39","end":"15:21","startHours":13.654998355060574,"endHours":15.349253673162451,"quality":"inauspicious"},{"name":"Udveg","start":"15:21","end":"17:03","startHours":15.349253673162451,"endHours":17.043508991264325,"quality":"inauspicious"},{"name":"Chala","start":"17:03","end":"18:44","startHours":17.043508991264325,"endHours":18.7377643093662,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:44","end":"20:03","startHours":18.7377643093662,"endHours":20.043508991264325,"quality":"inauspicious"},{"name":"Udveg","start":"20:03","end":"21:21","startHours":20.043508991264325,"endHours":21.34925367316245,"quality":"inauspicious"},{"name":"Chala","start":"21:21","end":"22:39","startHours":21.34925367316245,"endHours":22.654998355060574,"quality":"neutral"},{"name":"Labha","start":"22:39","end":"23:58","startHours":22.654998355060574,"endHours":23.9607430369587,"quality":"auspicious"},{"name":"Amṛta","start":"23:58","end":"01:16","startHours":23.9607430369587,"endHours":25.266487718856826,"quality":"auspicious"},{"name":"Kāla","start":"01:16","end":"02:34","startHours":25.266487718856826,"endHours":26.57223240075495,"quality":"inauspicious"},{"name":"Śubha","start":"02:34","end":"03:53","startHours":26.57223240075495,"endHours":27.877977082653075,"quality":"auspicious"},{"name":"Roga","start":"03:53","end":"05:11","startHours":27.877977082653075,"endHours":29.1837217645512,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:11","end":"06:11","startHours":5.183721764551202,"endHours":6.183721764551202,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:11","end":"07:11","startHours":6.183721764551202,"endHours":7.183721764551202,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:11","end":"08:11","startHours":7.183721764551202,"endHours":8.183721764551201,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:11","end":"09:11","startHours":8.183721764551201,"endHours":9.183721764551201,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:11","end":"10:11","startHours":9.183721764551201,"endHours":10.183721764551201,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:11","end":"11:11","startHours":10.183721764551201,"endHours":11.183721764551201,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:11","end":"12:11","startHours":11.183721764551201,"endHours":12.183721764551201,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:11","end":"13:11","startHours":12.183721764551201,"endHours":13.183721764551201,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:11","end":"14:11","startHours":13.183721764551201,"endHours":14.183721764551201,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:11","end":"15:11","startHours":14.183721764551201,"endHours":15.183721764551201,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:11","end":"16:11","startHours":15.183721764551201,"endHours":16.1837217645512,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:11","end":"17:11","startHours":16.1837217645512,"endHours":17.1837217645512,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:11","end":"18:11","startHours":17.1837217645512,"endHours":18.1837217645512,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:11","end":"19:11","startHours":18.1837217645512,"endHours":19.1837217645512,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:11","end":"20:11","startHours":19.1837217645512,"endHours":20.1837217645512,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:11","end":"21:11","startHours":20.1837217645512,"endHours":21.1837217645512,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:11","end":"22:11","startHours":21.1837217645512,"endHours":22.1837217645512,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:11","end":"23:11","startHours":22.1837217645512,"endHours":23.1837217645512,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:11","end":"00:11","startHours":23.1837217645512,"endHours":24.1837217645512,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:11","end":"01:11","startHours":24.1837217645512,"endHours":25.1837217645512,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:11","end":"02:11","startHours":25.1837217645512,"endHours":26.1837217645512,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:11","end":"03:11","startHours":26.1837217645512,"endHours":27.1837217645512,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:11","end":"04:11","startHours":27.1837217645512,"endHours":28.1837217645512,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:11","end":"05:11","startHours":28.1837217645512,"endHours":29.1837217645512,"planetary_lord":"Mars"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.08359205291093,"eotMinutes":3.539417782478063,"ayanamsa":25.3391}},"calendars":{"vikram_samvat":2163,"vikram_samvatsara":"Pramāthi","saka_samvat":2028,"saka_samvatsara":"Akṣaya","bengali_samvat":1513,"malayalam_era":1282,"nanakshahi_year":637,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Caturthī · Vikram 2163 Pramāthi · Śaka 2028 Akṣaya"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga May 21, 2106 CE · Ayodhyā · Vidhyamitra","description":"May 21, 2106 CE for Ayodhyā: Kṛṣṇa Caturthī, sūryodaya 05:11, sūryāsta 18:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2106-05-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2106-05-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/2106-05-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/2106-05-21","x-default":"https://vidhyamitra.com/city/ayodhya/2106-05-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T18:57:24.953Z","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":"2026-05-31T18:57:24.953Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T18:57:24.953Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}