{"id":"vidhyamitra:city-day:ayodhya:1677-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1677-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1677-05-13","date_display":"May 13, 1677 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":1677,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2333704.770833,"kali_year":4779,"ahargana":1745239.2708,"sun":{"sidereal_longitude":34.0724,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":161.4365,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":127.3641,"elapsed_within_tithi_degrees":7.3641},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":161.4365,"elapsed_within_degrees":1.4365},"yoga":{"number":15,"name":"Vajra","sum_longitude":195.5088},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"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":1677,"month":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2333704.770833,"ahargana":1745239.2708,"kali_year":4779,"ayanamsa_lahiri":19.3461,"grahas":{"sun":{"sidereal_longitude":33.35527300000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":159.39597300000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false,"latitude":-4.1535},"mars":{"sidereal_longitude":107.63647300000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":32.467772999999966,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":310.34787299999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":24.69597299999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":42.92297300000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":228.8248,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":48.8248,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":1677,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2333704.770833,"kali_year":4779,"ahargana":1745239.2708,"sun":{"sidereal_longitude":34.0724,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":161.4365,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":127.3641,"elapsed_within_tithi_degrees":7.3641},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":161.4365,"elapsed_within_degrees":1.4365},"yoga":{"number":15,"name":"Vajra","sum_longitude":195.5088},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.153,"elongation":127.364},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.153,"opposition_distance":52.636}},"eclipse_window_40days":[{"offset_days":4,"type":"lunar","occurs":true,"moon_latitude":-1.017,"opposition_distance":2.361}]},"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":"05:15","sunsetLocal":"18:40","solarNoonLocal":"11:57","dayLengthHours":13.426442393391103,"dayLengthDisplay":"13 Hours 25 Mins 35 Secs","nightLengthDisplay":"10 Hours 34 Mins 25 Secs","moonriseLocal":"14:18","moonsetLocal":"02:25","rahuKala":{"name":"Rāhu Kāla","start":"13:38","end":"15:19","startHours":13.635481320114614,"endHours":15.313786619288503,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:15","end":"06:55","startHours":5.243954824245175,"endHours":6.922260123419063,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:36","end":"10:17","startHours":8.60056542259295,"endHours":10.27887072176684,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:23","end":"08:49","startHours":8.376791382703098,"endHours":8.824339462482802,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:48","end":"06:10","startHours":5.803389923969804,"endHours":6.161428387793567,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:24","startHours":11.509627941161023,"endHours":12.404724100720431,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:27","end":"04:21","startHours":3.4537625051263614,"endHours":4.348858664685768,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:08","end":"05:15","startHours":4.1250846247959165,"endHours":5.243954824245175,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"15:05","startHours":14.194916419839242,"endHours":15.090012579398648,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.47039721763628,"endHours":18.870397217636278,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:14","startHours":18.67039721763628,"endHours":19.22983231736091,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.42039721763628,"endHours":20.17039721763628,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:24","startHours":23.509627941161025,"endHours":24.404724100720433,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:15","end":"06:55","startHours":5.243954824245175,"endHours":6.922260123419063,"quality":"auspicious"},{"name":"Roga","start":"06:55","end":"08:36","startHours":6.922260123419063,"endHours":8.60056542259295,"quality":"inauspicious"},{"name":"Udveg","start":"08:36","end":"10:17","startHours":8.60056542259295,"endHours":10.27887072176684,"quality":"inauspicious"},{"name":"Chala","start":"10:17","end":"11:57","startHours":10.27887072176684,"endHours":11.957176020940725,"quality":"neutral"},{"name":"Labha","start":"11:57","end":"13:38","startHours":11.957176020940725,"endHours":13.635481320114614,"quality":"auspicious"},{"name":"Amṛta","start":"13:38","end":"15:19","startHours":13.635481320114614,"endHours":15.313786619288503,"quality":"auspicious"},{"name":"Kāla","start":"15:19","end":"17:00","startHours":15.313786619288503,"endHours":16.99209191846239,"quality":"inauspicious"},{"name":"Śubha","start":"17:00","end":"18:40","startHours":16.99209191846239,"endHours":18.67039721763628,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:40","end":"20:00","startHours":18.67039721763628,"endHours":19.99209191846239,"quality":"auspicious"},{"name":"Kāla","start":"20:00","end":"21:19","startHours":19.99209191846239,"endHours":21.313786619288503,"quality":"inauspicious"},{"name":"Śubha","start":"21:19","end":"22:38","startHours":21.313786619288503,"endHours":22.635481320114614,"quality":"auspicious"},{"name":"Roga","start":"22:38","end":"23:57","startHours":22.635481320114614,"endHours":23.95717602094073,"quality":"inauspicious"},{"name":"Udveg","start":"23:57","end":"01:17","startHours":23.95717602094073,"endHours":25.27887072176684,"quality":"inauspicious"},{"name":"Chala","start":"01:17","end":"02:36","startHours":25.27887072176684,"endHours":26.60056542259295,"quality":"neutral"},{"name":"Labha","start":"02:36","end":"03:55","startHours":26.60056542259295,"endHours":27.922260123419065,"quality":"auspicious"},{"name":"Amṛta","start":"03:55","end":"05:15","startHours":27.922260123419065,"endHours":29.243954824245176,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.243954824245175,"endHours":6.243954824245175,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.243954824245175,"endHours":7.243954824245175,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.243954824245175,"endHours":8.243954824245176,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.243954824245176,"endHours":9.243954824245176,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.243954824245176,"endHours":10.243954824245176,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.243954824245176,"endHours":11.243954824245176,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.243954824245176,"endHours":12.243954824245176,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.243954824245176,"endHours":13.243954824245176,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.243954824245176,"endHours":14.243954824245176,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.243954824245176,"endHours":15.243954824245176,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.243954824245176,"endHours":16.243954824245176,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.243954824245176,"endHours":17.243954824245176,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.243954824245176,"endHours":18.243954824245176,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.243954824245176,"endHours":19.243954824245176,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.243954824245176,"endHours":20.243954824245176,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.243954824245176,"endHours":21.243954824245176,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.243954824245176,"endHours":22.243954824245176,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.243954824245176,"endHours":23.243954824245176,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.243954824245176,"endHours":24.243954824245176,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.243954824245176,"endHours":25.243954824245176,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.243954824245176,"endHours":26.243954824245176,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.243954824245176,"endHours":27.243954824245176,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.243954824245176,"endHours":28.243954824245176,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.243954824245176,"endHours":29.243954824245176,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.44483184623814,"eotMinutes":3.7534387435564067,"ayanamsa":19.3461}},"calendars":{"vikram_samvat":1734,"vikram_samvatsara":"Pramoda","saka_samvat":1599,"saka_samvatsara":"Piṅgala","bengali_samvat":1084,"malayalam_era":853,"nanakshahi_year":208,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","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":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Ekādaśī · Vikram 1734 Pramoda · Śaka 1599 Piṅgala"},"festivals":[{"id":"mohini-ekadashi","name":"Mohinī Ekādaśī","name_sanskrit":"मोहिनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (Mohinī form)","significance":"Mohinī-form of Viṣṇu deceived asuras during samudra-mathana for amṛta.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3,"sources":["Bhāgavata 8.9"]},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"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":"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 13, 1677 CE · Ayodhyā · Vidhyamitra","description":"May 13, 1677 CE for Ayodhyā: Śukla Ekādaśī, sūryodaya 05:15, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1677-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1677-05-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1677-05-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1677-05-13","x-default":"https://vidhyamitra.com/city/ayodhya/1677-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T01:28:18.246Z","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":"2026-06-04T01:28:18.246Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T01:28:18.246Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}