{"id":"vidhyamitra:city-day:ayodhya:1738-09-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1738-09-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1738-09-18","date_display":"September 18, 1738 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":1738,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2356111.770833,"kali_year":4840,"ahargana":1767646.2708,"sun":{"sidereal_longitude":154.5427,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":206.7401,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":52.1974,"elapsed_within_tithi_degrees":4.1974},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":206.7401,"elapsed_within_degrees":6.7401},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":1.2828},"karana":{"half_tithi_index":8,"name":"Bava"},"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":1738,"month":9,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2356111.770833,"ahargana":1767646.2708,"kali_year":4840,"ayanamsa_lahiri":20.203,"grahas":{"sun":{"sidereal_longitude":154.65036099999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":208.36726099999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":4.4838},"mars":{"sidereal_longitude":56.89886100000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":184.63546100000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":11.578060999999991,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":199.614961,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":81.71746100000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":121.5941,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":301.5941,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":1738,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2356111.770833,"kali_year":4840,"ahargana":1767646.2708,"sun":{"sidereal_longitude":154.5427,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":206.7401,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":52.1974,"elapsed_within_tithi_degrees":4.1974},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":206.7401,"elapsed_within_degrees":6.7401},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":1.2828},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.484,"elongation":52.197},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.484,"opposition_distance":127.803}},"eclipse_window_40days":[{"offset_days":-20,"type":"lunar","occurs":true,"moon_latitude":-0.746,"opposition_distance":2.926}]},"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":"05:47","sunsetLocal":"18:02","solarNoonLocal":"11:55","dayLengthHours":12.262321795632552,"dayLengthDisplay":"12 Hours 15 Mins 44 Secs","nightLengthDisplay":"11 Hours 44 Mins 16 Secs","moonriseLocal":"10:03","moonsetLocal":"20:56","rahuKala":{"name":"Rāhu Kāla","start":"13:27","end":"14:59","startHours":13.442356521559496,"endHours":14.975146746013566,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:47","end":"07:19","startHours":5.778405399289152,"endHours":7.311195623743221,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:51","end":"10:23","startHours":8.84398584819729,"endHours":10.37677607265136,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.639613818270082,"endHours":9.048357878124499,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:37","startHours":6.289335474107175,"endHours":6.61633072199071,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:30","end":"12:19","startHours":11.50082223725101,"endHours":12.318310356959847,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:09","end":"04:58","startHours":4.143429159871479,"endHours":4.960917279580316,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:45","end":"05:47","startHours":4.756545249653106,"endHours":5.778405399289152,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:46","startHours":13.95328659637752,"endHours":14.770774716086358,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.840727194921705,"endHours":18.240727194921703,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:33","startHours":18.040727194921704,"endHours":18.551657269739728,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.790727194921704,"endHours":19.540727194921704,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:30","end":"00:19","startHours":23.50082223725101,"endHours":24.318310356959845,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:47","end":"07:19","startHours":5.778405399289152,"endHours":7.311195623743221,"quality":"auspicious"},{"name":"Roga","start":"07:19","end":"08:51","startHours":7.311195623743221,"endHours":8.84398584819729,"quality":"inauspicious"},{"name":"Udveg","start":"08:51","end":"10:23","startHours":8.84398584819729,"endHours":10.37677607265136,"quality":"inauspicious"},{"name":"Chala","start":"10:23","end":"11:55","startHours":10.37677607265136,"endHours":11.909566297105428,"quality":"neutral"},{"name":"Labha","start":"11:55","end":"13:27","startHours":11.909566297105428,"endHours":13.442356521559496,"quality":"auspicious"},{"name":"Amṛta","start":"13:27","end":"14:59","startHours":13.442356521559496,"endHours":14.975146746013566,"quality":"auspicious"},{"name":"Kāla","start":"14:59","end":"16:30","startHours":14.975146746013566,"endHours":16.507936970467636,"quality":"inauspicious"},{"name":"Śubha","start":"16:30","end":"18:02","startHours":16.507936970467636,"endHours":18.040727194921704,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:02","end":"19:30","startHours":18.040727194921704,"endHours":19.507936970467636,"quality":"auspicious"},{"name":"Kāla","start":"19:30","end":"20:59","startHours":19.507936970467636,"endHours":20.975146746013564,"quality":"inauspicious"},{"name":"Śubha","start":"20:59","end":"22:27","startHours":20.975146746013564,"endHours":22.442356521559496,"quality":"auspicious"},{"name":"Roga","start":"22:27","end":"23:55","startHours":22.442356521559496,"endHours":23.909566297105428,"quality":"inauspicious"},{"name":"Udveg","start":"23:55","end":"01:23","startHours":23.909566297105428,"endHours":25.37677607265136,"quality":"inauspicious"},{"name":"Chala","start":"01:23","end":"02:51","startHours":25.37677607265136,"endHours":26.843985848197292,"quality":"neutral"},{"name":"Labha","start":"02:51","end":"04:19","startHours":26.843985848197292,"endHours":28.31119562374322,"quality":"auspicious"},{"name":"Amṛta","start":"04:19","end":"05:47","startHours":28.31119562374322,"endHours":29.778405399289152,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.778405399289152,"endHours":6.778405399289152,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.778405399289152,"endHours":7.778405399289152,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.778405399289152,"endHours":8.778405399289152,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.778405399289152,"endHours":9.778405399289152,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.778405399289152,"endHours":10.778405399289152,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.778405399289152,"endHours":11.778405399289152,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.778405399289152,"endHours":12.778405399289152,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.778405399289152,"endHours":13.778405399289152,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.778405399289152,"endHours":14.778405399289152,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.778405399289152,"endHours":15.778405399289152,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.778405399289152,"endHours":16.778405399289152,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.778405399289152,"endHours":17.778405399289152,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.778405399289152,"endHours":18.778405399289152,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.778405399289152,"endHours":19.778405399289152,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.778405399289152,"endHours":20.778405399289152,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.778405399289152,"endHours":21.778405399289152,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.778405399289152,"endHours":22.778405399289152,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.778405399289152,"endHours":23.778405399289152,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.778405399289152,"endHours":24.778405399289152,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.778405399289152,"endHours":25.778405399289152,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.778405399289152,"endHours":26.778405399289152,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.778405399289152,"endHours":27.778405399289152,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.778405399289152,"endHours":28.778405399289152,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.778405399289152,"endHours":29.778405399289152,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":2.044667718052918,"eotMinutes":6.610022173674397,"ayanamsa":20.203}},"calendars":{"vikram_samvat":1795,"vikram_samvatsara":"Prajāpati","saka_samvat":1660,"saka_samvatsara":"Kālayukta","bengali_samvat":1145,"malayalam_era":914,"nanakshahi_year":269,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina (Adhika) Śukla Pañcamī · Vikram 1795 Prajāpati · Śaka 1660 Kālayukta"},"festivals":[],"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":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"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 September 18, 1738 CE · Ayodhyā · Vidhyamitra","description":"September 18, 1738 CE for Ayodhyā: Śukla Pañcamī, sūryodaya 05:47, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1738-09-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1738-09-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1738-09-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1738-09-18","x-default":"https://vidhyamitra.com/city/ayodhya/1738-09-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T09:23:19.639Z","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":"2026-06-01T09:23:19.639Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T09:23:19.639Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}