{"id":"vidhyamitra:city-day:ayodhya:1781-04-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1781-04-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1781-04-13","date_display":"April 13, 1781 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":1781,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2371659.770833,"kali_year":4883,"ahargana":1783194.2708,"sun":{"sidereal_longitude":3.2819,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":240.6527,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":237.3708,"elapsed_within_tithi_degrees":9.3708},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":240.6527,"elapsed_within_degrees":0.6527},"yoga":{"number":19,"name":"Parigha","sum_longitude":243.9346},"karana":{"half_tithi_index":39,"name":"Taitila"},"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":1781,"month":4,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2371659.770833,"ahargana":1783194.2708,"kali_year":4883,"ayanamsa_lahiri":20.7977,"grahas":{"sun":{"sidereal_longitude":2.6505129999999895,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":242.216813,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":-3.0596},"mars":{"sidereal_longitude":261.062913,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":350.398713,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":217.96061299999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":352.376913,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":241.80841299999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":17.7862,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":197.7862,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":1781,"month":4,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2371659.770833,"kali_year":4883,"ahargana":1783194.2708,"sun":{"sidereal_longitude":3.2819,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":240.6527,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":237.3708,"elapsed_within_tithi_degrees":9.3708},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":240.6527,"elapsed_within_degrees":0.6527},"yoga":{"number":19,"name":"Parigha","sum_longitude":243.9346},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.06,"elongation":122.629},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.06,"opposition_distance":57.371}},"eclipse_window_40days":[]},"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":"05:40","sunsetLocal":"18:24","solarNoonLocal":"12:02","dayLengthHours":12.745708376029988,"dayLengthDisplay":"12 Hours 44 Mins 45 Secs","nightLengthDisplay":"11 Hours 15 Mins 15 Secs","moonriseLocal":"22:47","moonsetLocal":"09:13","rahuKala":{"name":"Rāhu Kāla","start":"10:26","end":"12:02","startHours":10.439349966824658,"endHours":12.032563513828407,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:13","end":"16:49","startHours":15.218990607835902,"endHours":16.81220415483965,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:15","end":"08:51","startHours":7.252922872817161,"endHours":8.846136419820908,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:04","startHours":8.633707946887077,"endHours":9.058564892754742,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:11","end":"06:32","startHours":6.190780508147995,"endHours":6.530666064842128,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:27","startHours":11.60770656796074,"endHours":12.457420459696074,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:58","end":"04:49","startHours":3.960281542342747,"endHours":4.80999543407808,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:36","end":"05:40","startHours":4.5975669611442465,"endHours":5.659709325813412,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:00","startHours":14.156848243166738,"endHours":15.00656213490207,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:12","end":"18:36","startHours":18.205417701843402,"endHours":18.6054177018434,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:24","end":"18:56","startHours":18.4054177018434,"endHours":18.936488884177983,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:09","end":"19:54","startHours":18.1554177018434,"endHours":19.9054177018434,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:27","startHours":23.60770656796074,"endHours":24.457420459696074,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:40","end":"07:15","startHours":5.659709325813412,"endHours":7.252922872817161,"quality":"neutral"},{"name":"Labha","start":"07:15","end":"08:51","startHours":7.252922872817161,"endHours":8.846136419820908,"quality":"auspicious"},{"name":"Amṛta","start":"08:51","end":"10:26","startHours":8.846136419820908,"endHours":10.439349966824658,"quality":"auspicious"},{"name":"Kāla","start":"10:26","end":"12:02","startHours":10.439349966824658,"endHours":12.032563513828407,"quality":"inauspicious"},{"name":"Śubha","start":"12:02","end":"13:38","startHours":12.032563513828407,"endHours":13.625777060832155,"quality":"auspicious"},{"name":"Roga","start":"13:38","end":"15:13","startHours":13.625777060832155,"endHours":15.218990607835902,"quality":"inauspicious"},{"name":"Udveg","start":"15:13","end":"16:49","startHours":15.218990607835902,"endHours":16.81220415483965,"quality":"inauspicious"},{"name":"Chala","start":"16:49","end":"18:24","startHours":16.81220415483965,"endHours":18.4054177018434,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:24","end":"19:49","startHours":18.4054177018434,"endHours":19.81220415483965,"quality":"inauspicious"},{"name":"Udveg","start":"19:49","end":"21:13","startHours":19.81220415483965,"endHours":21.218990607835906,"quality":"inauspicious"},{"name":"Chala","start":"21:13","end":"22:38","startHours":21.218990607835906,"endHours":22.625777060832156,"quality":"neutral"},{"name":"Labha","start":"22:38","end":"00:02","startHours":22.625777060832156,"endHours":24.032563513828407,"quality":"auspicious"},{"name":"Amṛta","start":"00:02","end":"01:26","startHours":24.032563513828407,"endHours":25.439349966824658,"quality":"auspicious"},{"name":"Kāla","start":"01:26","end":"02:51","startHours":25.439349966824658,"endHours":26.84613641982091,"quality":"inauspicious"},{"name":"Śubha","start":"02:51","end":"04:15","startHours":26.84613641982091,"endHours":28.252922872817162,"quality":"auspicious"},{"name":"Roga","start":"04:15","end":"05:40","startHours":28.252922872817162,"endHours":29.659709325813413,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:40","end":"06:40","startHours":5.659709325813412,"endHours":6.659709325813412,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:40","end":"07:40","startHours":6.659709325813412,"endHours":7.659709325813412,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:40","end":"08:40","startHours":7.659709325813412,"endHours":8.659709325813413,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:40","end":"09:40","startHours":8.659709325813413,"endHours":9.659709325813413,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:40","end":"10:40","startHours":9.659709325813413,"endHours":10.659709325813413,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:40","end":"11:40","startHours":10.659709325813413,"endHours":11.659709325813413,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:40","end":"12:40","startHours":11.659709325813413,"endHours":12.659709325813413,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:40","end":"13:40","startHours":12.659709325813413,"endHours":13.659709325813413,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:40","end":"14:40","startHours":13.659709325813413,"endHours":14.659709325813413,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:40","end":"15:40","startHours":14.659709325813413,"endHours":15.659709325813413,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:40","end":"16:40","startHours":15.659709325813413,"endHours":16.659709325813413,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:40","end":"17:40","startHours":16.659709325813413,"endHours":17.659709325813413,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:40","end":"18:40","startHours":17.659709325813413,"endHours":18.659709325813413,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:40","end":"19:40","startHours":18.659709325813413,"endHours":19.659709325813413,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:40","end":"20:40","startHours":19.659709325813413,"endHours":20.659709325813413,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:40","end":"21:40","startHours":20.659709325813413,"endHours":21.659709325813413,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:40","end":"22:40","startHours":21.659709325813413,"endHours":22.659709325813413,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:40","end":"23:40","startHours":22.659709325813413,"endHours":23.659709325813413,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:40","end":"00:40","startHours":23.659709325813413,"endHours":24.659709325813413,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:40","end":"01:40","startHours":24.659709325813413,"endHours":25.659709325813413,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:40","end":"02:40","startHours":25.659709325813413,"endHours":26.659709325813413,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:40","end":"03:40","startHours":26.659709325813413,"endHours":27.659709325813413,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:40","end":"04:40","startHours":27.659709325813413,"endHours":28.659709325813413,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:40","end":"05:40","startHours":28.659709325813413,"endHours":29.659709325813413,"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":9.106246035435053,"eotMinutes":-0.7698108297043191,"ayanamsa":20.7977}},"calendars":{"vikram_samvat":1838,"vikram_samvatsara":"Ānanda","saka_samvat":1703,"saka_samvatsara":"Plava","bengali_samvat":1188,"malayalam_era":957,"nanakshahi_year":312,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Pañcamī · Vikram 1838 Ānanda · Śaka 1703 Plava"},"festivals":[],"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 April 13, 1781 CE · Ayodhyā · Vidhyamitra","description":"April 13, 1781 CE for Ayodhyā: Kṛṣṇa Pañcamī, sūryodaya 05:40, sūryāsta 18:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1781-04-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1781-04-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1781-04-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1781-04-13","x-default":"https://vidhyamitra.com/city/ayodhya/1781-04-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T16:53:46.451Z","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":"2026-06-01T16:53:46.451Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T16:53:46.451Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}